10.She has taken care of your children___you are away.

问题描述:

10.She has taken care of your children___you are away.
a during b since c except d while

da千万要记住是不可能的:during是介词,怎么也不可能去跟个句子!during your work time.倒是可以的,your work time是个名词词组,不是句子.b句意不对,句意和时态根本匹配不上.前面是现在完成时态为何就要选b?后面没有...