题目内容
Mary is careful to ________ her place before she shuts a book so that she can easily find where she stops reading next time she continues.
[ ]
A.rebuild
B.mark
C.date
D.take
答案:B
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题目内容
Mary is careful to ________ her place before she shuts a book so that she can easily find where she stops reading next time she continues.
[ ]