-What are they doing?-They are talking the phone their life.A．on; aboutB．_刷题宝

题干

-What are they doing?
-They are talking the phone their life.

A．on; about

B．in; about

C．to; about

D．on; on

上一题下一题 0.85难度单选题更新时间:2012-03-23 03:25:11

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