There happened to be nobody under the wall when it fell down, ?A. wasn't thereB. was ther

发布时间：2020-08-16 08:27:55


There happened to be nobody under the wall when it fell down,      ?
A. wasn't there
B. was there
C. didn't there
D. did there

网友回答

A. wasn't there
B. was there
C. didn't there
(答案→)D. did there
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