I have no idea ＿＿＿ David is in trouble, he will turn to you for help.A. ifB. thatC. whenD.

发布时间：2020-08-16 08:54:52


I have no idea ＿＿＿ David is in trouble, he will turn to you for help.
A. if
B. that
C. when
D. that if

网友回答

A. if
B. that
C. when
(答案→)D. that if
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