[2010保定市高三二模]-Is there any possible way to help the children get rid of such a bad habit? -To be honest,it’s verd hard, but we on this problem. A.work B.worked C.are working D.were working 10C考查动词时态.句意:---有一些可能的帮助孩子们解除这种坏毛病的方法?---老实说.很难.但我们一直在研究这个问题.根据句意用现在进行时. 【查看更多】
