.Playing with a cell phone, he suddenly ________ the teacher staring at him._刷题宝

题干

.
Playing with a cell phone, he suddenly ________ the teacher staring at him.

A：knew of

B：became aware of

C：reflected

D：aware for

上一题下一题 0.0难度选择题更新时间:2018-06-29 07:46:32

答案(点此获取答案解析）

B

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