--- ________ did your uncle leave his home town?.
--- Let me see. He _______ for nearly twenty years.
| A．When; has left | B．When; has been away |
| C．How long; has left | D．How long; has been away |
The tourists are all interested the Great Wall.
| A．on visiting | B．to visit | C．in visiting | D．visiting |
─You look so tired, Celia! ─Yes. I volleyball the whole afternoon.
| A．play | B．am playing | C．have been playing | D．will play |
—Paul invited us to take part in a party tomorrow evening.
— ______ Is tomorrow his birthday?
| A．Why not? | B．What for? | C．That’s all right. | D．What a good idea |
—David，is that man your Chinese teacher?
—It___________ be him．He’s having a meeting．
| A．mustn’t | B．can’t | C．needn’t | D．won’t |
— Excuse me. When can we play badminton at the court?
— Not until it ________ next week.
| A．repairs | B．will repair | C．is repaired | D．will be repaired |