Dick, it’s the _______ time in three days that you _______ the same mistake.

Why do you ____ very happy this afternoon?—Because we are going to spend the evening at Lily’s house.

The newly built school canteen(餐厅) is big enough to hold two ________ students at lunch time.

Are you going to the library this afternoon, Kate? — Yes, I have to. I ________ READER for two weeks.

He doesn’t know _________ English because he has studied it for only _________ weeks.