—Youdidn’twaitforTomlastnight,didyou? —No,butwe
问题详情:
—You didn’t wait for Tom last night, did you?
—No, but we _______. He didn’t return home at all.
A. couldn’t have B. needn’t have
C. didn’t need to D. should have
【回答】
C
知识点:虚拟语气与情态动词
题型:选择题