Sarah is wearing a blouse. It___________ of cotton.
A. be made
B. are made
C. is made
D. made
Chọn đáp án C
Those letters _________ now. You can do the typing later.
D . needn't typing
Over 1500 new houses _______ each year. Last year, 1720 new houses _______.
“Ms Jones, please type those letters before noon” “They’ve already _____, sir. They’re on your desk.”