He______ his work, otherwise, he wouldn’t be enjoying himself by the seaside.
| A．must have completed | B．should have completed |
| C．ought to complete | D．must complete |
＿＿＿＿＿he come, the problem would be settled.
| A．Would | B．Should | C．Shall | D．If |
Without your help, I ＿＿＿＿the exam last term.
| A．failed in | B．would have failed | C．wouldn’t pass | D．would fail |
The young man insisted that he＿＿＿＿＿nothing wrong and＿＿＿free.
| A．did； set | B．had done； should be set |
| C．do； be set | D．had done； must be set |
You must be a student, ＿＿＿＿＿＿＿＿you?
| A．wasn’t | B．are | C．mustn’t | D．aren’t |
We all agreed to her suggestion that we＿＿＿＿＿＿to the Great Wall for sightseeing(观光 ).
| A．will go | B．go | C．shall go | D．should have gone |