19. I wonderedthat made him so upset.A. how it wasB. which did itC. what it wasD. who

发布时间：2020-08-15 02:18:43


19.  I wondered    that made him so upset.
A. how it was
B. which did it
C. what it was
D. who did it

网友回答

A. how it was
B. which did it
(答案→)C. what it was
D. who did it
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