My mother always wave goodbye to me while I was leaving for school.A. should B. must C. c

发布时间：2020-08-16 18:47:54

My mother      always wave goodbye to me while I was leaving for school.
A. should
B. must
C. could
D. would

网友回答

A. should
B. must
C. could
(答案→)D. would
解析：考查情态动词。would在句中作“过去常常”之意，故选D。
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