------She looks very happy. She ______ have passed the exam.
------I guess so. It’s not difficult after all.
| A．should | B．could | C．must | D．might |
I use a clock to wake me up because at six o'clock each morning the train comes by my house.
| A．couldn't | B．mustn't |
| C．shouldn't | D．needn't |
I got close enough to hear them speaking Chinese, and I said “Ni Hao ” just as I ____ do in China.
| A．must | B．might | C．can | D．should |
- Happy birthday!
- Thank you! It's the best present Ifor.
| A． | should have wished | B． | must have wished |
| C． | may have wished | D． | could have wished |
Days later, my brother called to say he was all right, butsay where he was.
| A． | mustn't | B． | shouldn't | C． | wouldn't | D． | mightn't |
—Why are those people gathering in the middle of the street?
—I don’t know. There ________ be an accident.
| A．shall | B．should | C．can | D．might |
You __________ tell anyone about this — it’s a secret.
| A．needn’t | B．mustn’t | C．couldn’t | D．wouldn’t |
--- Where is Jack? I can’t find him anywhere.
--- He ______ his homework upstairs.
| A．might have done | B．must have done | C．might be doing | D．must do |
Often he______ sit for hours doing nothing at all when he was in low spirits.
| A．should | B．would | C．could | D．might |
on the portrait, mother was deep in thought.
| A．Fixed her eyes | B．Her eyes are fixed | C．Her eyes fixing | D．Her eyes fixed |
Though _______ money, his parents managed to send him abroad.
| A．lacked | B．lacking of | C．lacking | D．lacked in |
-----Who has made a mess in my room?
-----Who else it but your naughty son?
| A．could do | B．could have done | C．did | D．had done |
--- May I smoke here?
--- If you , choose a seat in the smoking section.
| A．should | B．could | C．must | D．may |
I was on the highway _______ this car went past followed by a police car. They ______ at least 150 kilometers an hour.
| A．when; should have been driving |
| B．while; would have driven |
| C．as; could have driven |
| D．when; must have been driving |
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