He ___ without saying good-bye to them, for he always has good manners.
| A．mustn’t have left | B．may not have left | C．shouldn’t have left | D．can’t have left |
He seized me by the hand and _____ let me go.
| A．does not | B．did not | C．would not | D．had not |
When I suggested that someone in the village ____ his wine, he didn’t believe.
| A．must have drunk | B．should drink | C．have drunk | D．has drunk |
The man insisted that he ____ nothing wrong and that he _____ free.
| A．had done; be set | B．did; was | C．had done; would be | D．did; would be |
We were very busy yesterday. Otherwise we _____part in the discussion.
| A．would take | B．did take | C．had taken | D．would have taken |
It is thought that a new system _____ the place of the old one in that company. But things are getting worse and worse.
| A．must have taken | B．will take | C．won’t take | D．had taken |
– I was trying to repair that stupid machine, but I failed.
-- Well, you_______.
| A．needn’t do that | B．needn’t have done | C．needn’t have | D．needn’t |
______you like to have dinner with me this evening?
| A．Would | B．Must | C．Dare | D．Can |
It has been announced that all the students ______ put on the masks before going to school in case they are infected with SARS virus.
| A．shall | B．will | C．need | D．may |
--- Where is Jack?
--- He _________ football on the playground with those AFS students, but I am not sure.
| A．must be playing | B．must have played |
| C．may be playing | D．may have played |