问题

you disturb her with these annoying questions just when she was busy cooking dinner?—Sorry, Ithat at that time.

A:Should, should have done
B:Shall; may have done
C:Must, should do
D:Must, should not have done

正确答案是：

同类题型

How do people do bird-watching?—Sometimes they______the birds quietly, sometimes they use telescopes.

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How are you —I’m not .A.feelwellB.feel goodC.feelingwellD.feeling good