题目内容
你知道a pair of…的数用is还是are吗?请填一填,并且归纳其用法。
A pair of teenage boys ________(was/were)smoking behind the building.
答案:were
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题目内容
你知道a pair of…的数用is还是are吗?请填一填,并且归纳其用法。
A pair of teenage boys ________(was/were)smoking behind the building.