题目内容
根据句意完成句子,使其符合原句的句意。
There used to be some trees in front of the building.
There ________ some trees in front of the building.
答案:were
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题目内容
根据句意完成句子,使其符合原句的句意。
There used to be some trees in front of the building.
There ________ some trees in front of the building.