题目内容
【题目】When he arrives at the bus stop, the bus for 20 minutes.
A. has left B. had left
C. has been away D. had been away
【答案】C
【解析】本题考查时态。由于从句是一般现在时，所以主句也应用相应的现在时态，故排除B和D项；而A项中left是非延续性动词，不能和for 20 minutes连用，所以本题选C。
【题目】补全对话
Can I help you How long have you been like this What’s wrong with |
Doctor: ________【1】________?
Bill: Well, _____【2】_______a pain in my back.
Doctor: _________【3】________________
Bill: For about two weeks.
Doctor: ____【4】_______ have a look. Oh, what do you do?
Bill: I work in an office.
Doctor: Do you play computer games?
Bill: Yes, a lot. I usually play computer games late at night.
Doctor ______【5】_______.
Bill: _________【6】___________me?
Doctor: Well, you spend too much time in front of the computer.
Bill: _____【7】________?
Doctor: Stand up and do some exercise from time to time. Don’t play computer games too much.