He never fails to write to his mother every week.(改为同义句)
He never fails to write to his mother every week.(改为同义句) He _____ ____ write to his mother every week. - used to好像不对呢?给下理由! insists to 坚持做某事? 那个...接下来看到这个问题的、能给填这个答案的理由嘛?最好能充分点! 咳咳...老师说答案了:remembers to 我还是坚持给分数低的额...
used to do 是use to do的过去式表达,意思是,曾经。。。。。所以不对 要是用use的话,应该是be used to doing 表示习惯于 所以insist to,表示坚持做。。。。,其实我还是觉得insist on +doing比较合适,但是句子中式原型就没办法了,只能是insist to了