References _________ in the examination room.
A. not are used
B. is not used
C. didn’t used
D. are not used
Giải bởi Vietjack
Chọn đáp án D
These tennis courts don’t _________ very often. Not many people want to play.
“Ms Jones, please type those letters before noon” “They’ve already _____, sir. They’re on your desk.”
