题目内容
【题目】How many countries _______ in Europe? ( )
A. is itB. is thereC. are theyD. are there
【答案】D
【解析】
略
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题目内容
【题目】How many countries _______ in Europe? ( )
A. is itB. is thereC. are theyD. are there
【答案】D
【解析】
略