The students listened carefully to the teacher with their ey

问题描述:

The students listened carefully to the teacher with their eyes____on the blackboard.
A.focusingB.focused
答案给我就好了.
1个回答 分类:英语 2014-10-07

问题解答:

我来补答
很明显B嘛
楼主啊,我保证你对
 
 
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