How can they learn anything they spend all their spare time watching television?A. before

发布时间：2020-08-15 00:29:33

How can they learn anything      they spend all their spare time watching television?
A. before
B. when
C. although
D. as

网友回答

A. before
(答案→)B. when
C. although
D. as
解析：when表示“既然”。
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