单选题
----What an I going to do about a present for Carol? ----You______some flowers.
A、
Might have sent her
B、
Must have sent her
C、
Could send her
D、
Would send her
【正确答案】
C
【答案解析】
根据第一句的问题是寻求建议,情态动词could可用来提出建议。might have done表示推断。must have done表示对过去事情的肯定推断。would表示过去将来时。
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