题目内容
【题目】—Look! Liu Tao with his friends ______ a picnic. ( )
—Shall we join them?
A.is havingB.are havingC.had
【答案】A
【解析】
略
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题目内容
【题目】—Look! Liu Tao with his friends ______ a picnic. ( )
—Shall we join them?
A.is havingB.are havingC.had
【答案】A
【解析】
略