-Chi tiết
1. What will happen if the air………………….. ?
(A) has
(B) is polluted
(C) be polluted .
(D) was polluted.
2. The parcel _____ to him before his birthday.
(A) will be sented
(B) will been sent
(C) will be sent
(D) will be send
3. Is the new computer system _____________ next month?
(A) been installed
(B) being installed
(C) being installed by people
(D) be installed
4. _____ to you yet?
(A) Have the book being given back
(B) Have the book been gave back
(C) Have the book been give back
(D) Have the books been given back
2 bình luận về “-Chi tiết 1. What will happen if the air………………….. ? (A) has (B) is polluted (C) be polluted . (D) was polluted.”