At that time I had no idea I could hand it to him without being seen.A. ifB. how C. whic

发布时间：2020-08-16 07:40:39

At that time I had no idea      I could hand it to him without being seen.
A. if
B. how
C. which
D. that how

网友回答

A. if
(答案→)B. how
C. which
D. that how
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