题目内容

_ your penfriend in Beijing?

A. Do; live
B. Do; lives
C. Does; live

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I like ______ very much. What about you?

A. dance
B. danced
C. dancing

. I can’t find my pen. Let me __.

A. go and ask her
B. go and ask hers
C. go and ask she

对价格弹性大的商品,应该尽可能定高价,这样可以增大销售收入。

A. 对
B. 错

对价格弹性小的商品,定高价不会影响需求量,因而可以赚取更多利润。

A. 对
B. 错