The cakes are delicious. He'd like to have _______third one because ________second one is rather too small.
| A．a；a |
| B．the；the |
| C．a；the |
| D．the；a |
I got up early that morning, but I _____ so because I had no work to do.
| A．mustn’t have done | B．didn’t need to do | C．needn’t have done | D．can’t have done |
You must be a writer, _____?
| A．mustn’t you | B．are you | C．must you | D．aren’t you |
She’s already two hours late. What ______ to her?
| A．can have happened | B．may have happened |
| C．should have happened | D．must happen |
— Will your brother stay home tonight?
— I’m not quite sure. He _____ to the cinema tonight.
| A．must go | B．can go | C．may go | D．may be going |
Since the road is wet this morning, _____ last night.
| A．it must rain | B．it must be raining | C．it must have rained | D．it must have been rain |