题目内容

因为A+B=A, 所以A B= 0。

A. 对
B. 错

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I've never met my cousin again(自从他离开南京).

(下学期开始前), you each need to make some preparations for the course.

(小明刚抵达飞机场), it began to rain.

We talked(我们打牌时).

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