TOEFL EXERCISE (Skill 1-3) : Choose the letter of the underline word or group of words that is not correct.

1. Nobody know when the process of glass-making was invented.

                  A                      B                                    C       D

the answer of the incorrect word is (A) know ,that should be “knows” because the subject “nobody” is singular and it must be followed by s/es

Corrected version: nobody knows when the process of glass-making was invented.

2. The languages of the world presents a vast array of

                                                       A                   B

structural similarities and differences.

                        C                     D

the incorrect word is (A) presents, that should be “present” because the subject is plural and it does’nt have to followed by “s”

Corrected version: the languages of the world present a vast array of sturctural similarities and differences.

3. The rise of multinationals have resulted in a great deal of legal ambiguity

                                                  A       B                    

because multinationals can operate in so many jurisdiction.

                                         C    D

the incorrect word is (A) have, it must be replaced by “has” because the subject is singular.

corrected version: the rise of multinationals has resulted in a great deal of legal ambiguity because multinationals can operate in so many jurisdition

4. All of the east-west interstate highways in the United States has even number, while

                                                                                                        A             B

north south interstate highways are odd-numbered.

                                                       C              D

the incorrect word is (A) has because the subject “east-west interstate highways in the United States” is plural and it must be replaced by “have”

corrected version: all of the east-west interstate highway in United States have even number, while north-south interstate highways are odd-numbered.

5. When a massive star in the large Magellanic Coud exploded in 1987, a wave on

         A                                                                                                B

neutrinos were detected on Earth.

                    C        D

the incorrect word is (C) were , it should be replaced by “was” because the singular subject is “a wave” from “a wave on neutrinos” not “neutrinos”

corrected version: when a massive star in the large Magellanic coud exploded in 1987, a wave on neutrinos was detected on Earth.

6. Every open space in the targeted area that has grass and a few

                                                A                          B

bushes are occupied by the white-crowned sparrow.

              C          D

The answer is (C) are , it must be replaced by “is” because the subject “every open space” is singular.

Corrected version: every open space in the targeted area that has grass and a few bushes is occupied by the white-crowned sparrow.

7. Krakatoa is remembered as the volcano that put so much ash into the air that

                                    A                                         B

sunsets around the world was affected for two years afterward.

                                                C                                             D

the incorrected word in this sentence is (B) put because the subject krakatoa is singular and it needs to be followed by s/es

corrected version: krakatoa is remembered as the volcano that puts so much ash into the air that sunsets around the world was affected for two years afterward.

8. The term “Yankee” was originally a nickname for people from New England, but

                                      A      

now anyone from the United States are referred to as a Yankee.

                                                            B         C         D

the incorrect word is (B) are , that should typed “is” because the subject anyone is singular and needs to be followed by “is”

9. A network of small arteries, mostly sandwiched between the skin and

                                                                        A

 theunderlying muscles, supply blood to the face and scalp.

            B                              C                   D

the incorrect word is (C) supply , it must be followed by s/es because the subject  ”A network of small arteries” is singular.

Corrected version: A network of small arteries, mostly sandwiched between the skin and the underlying muscles, supplies blood to the face and scalp.

10. Mesquite is a small tree in the Southwest who can withstand the severest drought.

                      A        B                             C                 D

the incorrect word is (D) withstand , that should be followed by s/es because the subject is singular.

Corrected version: mesquite is a small three in the Southwest who can withstands the severest drought.