Listen! Someone is knocking at the door. Who _____it be?—It_____be Tom. He phoned to visit me this evening.

I think you can ________ money by yourself to buy a birthday present for your mother. —OK. I’ll try. I’ll not let a penny waste.

Jane Goodall belongs to a great woman. — ________. She has devoted much of her life to protecting chimps everywhere.

_____ your American friend to learn Chinese? It’s very useful. [ ]

Steve is good at writing short stories. — Yes, he is. But he writes than us, so he doesn’t get good marks in writing.