Tom bought that book yesterday.
A. That book was bought by Tom yesterday.
B. That book was bought yesterday by Tom.
C. That book yesterday was bought by Tom.
D. That book was bought yesterday.
Chọn đáp án A
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.”