Thereusedtobemanytalltreesin

发布时间：2020-07-28 03:40:26

There used to be many tall trees in front of the teaching building, ________?A.usedn't theyB.weren't thereC.didn't itD.didn't there

网友回答

D解析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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