— ?
--I had a fight with my cousin．
| A．How are you |
| B．What’s wrong |
| C．Can I help you |
| D．What are you doing |
That's very kind ______ you. I know it's very hard _______ you to do that.
| A．of, of | B．of, for | C．for, of | D．for, for |
David used to _____________ in the afternoon.
| A．practice swimming | B．practicing swimming |
| C．practice swim | D．practices swimming |
How do you study _______a test? I study _______working with friends.
| A．for ; for | B．for ; by | C．by ; for | D．by ; by |
--- Could you tell me? --- Certainly. In 20 minutes.
| A．when will the train to Beijing leave |
| B．when the train to Beijing would leave |
| C．when the train to Beijing left |
| D．when the train to Beijing will leave |
---How much did the new watch your sister?
---She 350 yuan for it.
| A．cost; paid | B．spend; cost | C．pay; cost | D．take; paid |