–Is he coming back tonight? --I think so. –She must be busy now? --If so, she can’t go with us. –Is she feeling better ? --I’m afraid not. –Do you think he will attend the meeting? --I guess not.
All you have to do is (to) finish the job quickly.
3.不定式作but, expect, besides的宾语,前有实义动词 do时,常省略to. can but do sth. can’t help /choose but do sth. do nothing but do sth. There is nothing to do but do sth. have no choice but to do sth.
6. ____ B it rain tomorrow, we would have to put off the visit to the Yangpu Bridge. A. Were B. Should C. Would D. Will
7. --- Let’s go and have a good drink tonight. A Have you got the first prize --- _____ in the competition? A. What for ? B. Thanks a lot . C. Yes, I’d like to D. Why not ?
11. --- Won’t you have another try? D --- ________. A. Yes, I will have B. Yes, I won’t have C. Yes, I won’t D. Yes, I will 12. ---I won’t do it any more. ---_______? D A. Why not B. Why don’t do any more C. Why not do D. Why don’t