—I knocked but nobody answered the door. ----They ____

—I knocked but nobody answered the door. ----They _____asleep then and didn’t hear you.

#88169

must be

should be

must have been

should have been

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---Where will you start your work after graduation ---at home or abroad? --Mm, it’s not been decided yet．I ______ continue my study for a higher degree．

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need

must

would

might

If it ______ tomorrow, our picnic _______ to be put off.

#87486

rains;wouldhave

shouldrain;wouldhave

rains;has

wouldrain;wouldhave

一I heard that you got an A in the chemistry exam．Well done!一Thanks，I know that you     a good job as well．

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shouId have done

need have done

must have done

could have done

I insisted that the boy          his hands before having supper.

#87914

washes

washed

had washed

(should) wash

 To be on the safe side, we should fill up the tank now, because we ______ run out of gas on the way.

#89113

could

might

would

must