题目内容
There used to be many tall trees in front of the teaching building, ________?
- A.usedn't they
- B.weren't there
- C.didn't it
- D.didn't there
D
There used to be…句型的反意疑问句式为usedn't there或didn't there.
There used to be…句型的反意疑问句式为usedn't there或didn't there.
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