- Do you know where my address book is?　　　　- It be in the hall cupboard. I think I saw it

发布时间：2020-08-17 14:00:25

- Do you know where my address book is?
　　　　- It     be in the hall cupboard. I think I saw it this morning.
A. could
B. can
C. will
D. must

网友回答

(答案→)A. could
B. can
C. will
D. must
解析：could表示过去的推断，后句中的saw已提示。
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