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People used to think that the surface of the moon was smooth, ______?A、don’t the
People used to think that the surface of the moon was smooth, ______?A、don’t the
游客
2024-07-19
45
管理
问题
People used to think that the surface of the moon was smooth, ______?
选项
A、don’t they
B、wasn’t it
C、didn’t they
D、usedn’t they
答案
C
解析
used to do翻译为“过去常常……”,时态为一般过去时,因此对动词used的反意疑问部分应用一般过去时didn’t,而不是usedn’t.
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