—When do we need to pay the balance?— September 30.A. InB. ByC. DuringD. Within

发布时间：2020-08-17 09:20:58

—When do we need to pay the balance?
—     September 30.
A. In
B. By
C. During
D. Within

网友回答

A. In
(答案→)B. By
C. During
D. Within
解析：in，during和within后都接时间段。by后接时间点，意为“不迟于”，“在……之前”。
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