They had a boy _________ that yesterday.
A. done
B. to do
C. did
D. do
Giải bởi Vietjack
Chọn đáp án D
Those letters _________ now. You can do the typing later.
D . needn't typing
“Ms Jones, please type those letters before noon” “They’ve already _____, sir. They’re on your desk.”
