题目内容

—Tom didn’t come last night,did he??
—No.I _______ have waited for him.A whole night was wasted.?
A．wouldB．should?
C．couldn’tD．needn’t?
D?
needn’t have done表示“本没有必要做但实际上做了”。
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相关题目
—I didn’t go to work yesterday because my car broke down.?
—You _______ mine.I wasn’t using it then.?
A．might borrow
B．could have borrowed　?
C．must have borrowed?
D．ought to borrow?
—Excuse me.Is this the right way to the Summer Palace?
—Sorry, I am not sure.But it _______ be.?
A．mightB．will?
C．mustD．can?
His illness was too serious, otherwise he _______ saved.?
A．could be
B．couldn’t have been?
C．could have?
D．could have been?
I was really anxious about you. You ______ home without a word.
A．mustn’t have leftB．shouldn’t have left
C．couldn’t have leftD．needn’t have left
On Sundays when I was a child, Father and I ____ get up early and go fishing.
A. could      B. would          C might              D. should
Even though I’d hurt my leg, I＿＿＿＿＿＿ swim back to the river bank.
A．couldB．mightC．had toD．was able to
Mary__________my letter;otherwise she would have replied before now.?
A．has received?B．ought to have received?
C．couldn’t have received?D．shouldn’t have received?
-----I thought I ______something burning  .
-----Really?
A．smelledB．was smellingC．could smellD．might smell

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