单项选择题

You look so tired tonight. It is time you ______.

A. go to sleep
B. went to sleep
C. go to bed
D. went to bed
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单项选择题
I do not have a job．I would find one but I ______ no time．
A．had
B．didn’t have
C．had had
D．have
单项选择题
Good heavens! There you are! We （） anxious about you, and we（）you back throughout the night.

A. are; expect               
B. were; had expected 
C. have been; were expecting        
D. are; were expecting
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