—I called you last night, but nobody answered. What _____you _____at that time?—I was taking a shower.A. are; doing B. was; doing C. were; doing
You had better _____your hands before meads.
-Must I finish my composition (作文) right now? -No, you _______.You can hand it in tomorrow.
The students found _______ easy to work out this maths problem.
New York is bigger than __________ in Australia.
We all think we are tired after the long work. Let,s stopa rest.