—Where did you get this book?—I picked it up from a second-hand bookshop if you know.A

发布时间：2020-08-17 08:28:43

  —Where did you get this book?
—I picked it up from a second-hand bookshop if you     know.
Amust
B. will
C. can
D. shall

网友回答

(答案→)A. must
B. will
C. can
D. shall
解析：句意：上文，你从哪里得到了这本书？下文，如果你必须知道，那么我告诉你，是从一个二手书店得到的。must   必须；will将会；can能；shall将要，选A。
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