摘要：– Are you sure you have to? It’s been very late. -- I don’t know I can do it if not now. A. whereB. whyC. whenD. how 答案: C ( 选择D的同学要注意语境, 根据语境知道这里强调的是必须先在做,否则就没有时间了)
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?Are you sure you have to? It's been very late.
?I don't know ________ I can do it if not now.
A. where
B. why
C. when
D. how
查看习题详情和答案>>?Are you sure you have to? It's been very late.
?I don't know ________ I can do it if not now.
A. where
B. why
C. when
D. how
查看习题详情和答案>>— Are you sure you have to? It's been very late.
— I don't know _____ I can do it if not now.
— I don't know _____ I can do it if not now.
[ ]
A. where
B. why
C. when
D. how
查看习题详情和答案>>
B. why
C. when
D. how