Part III. Each of the following sentences has one mistake. Identify the mistake by writing the letter A, B, C,D
16. Mary as well as her friends are going to a party tonight.
A B C D
17. A conference will held by our school next week .
A B C D
18. Mrs. Nga, whom sings very well, is my teacher of Music.
A B C D
19.You know where Peter is , do you ?
A B C D
20. If I meet an alien from outer space, I would invite him to my house.
A B C D
1 are=> is
2 held => be held
3 whom => who
4 do => don't
5 meet => met