Have you visited the Great Wall?
| A．ever | B．before | C．did | D．done |
Would you like to go with me next Sunday? Sorry, ______ .
A. I am not sure. B. I’m not interested. C. Sure.
______ will you go back from Hong Kong? ---In 3 days.
A. How long B. How soon C. How often
______ do you exercise in a week?
A. How long B. How far C. How often
quite a few
A. 相当多 B. 一点 C. 不太多
train v..
A.训练 B.开火车 C.提