20. The teenagers wonder what makes Jay a successful pop singer.A. is itB. is it thatC. it

发布时间：2020-08-15 03:07:15


20. The teenagers wonder what     makes Jay a successful pop singer.
A. is it
B. is it that
C. it is
D. it is that

网友回答

A. is it
B. is it that
C. it is
(答案→)D. it is that
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