题目内容
4．My grandpahas been used toliving here since he moved here a month ago．（be）我爷爷一个月前搬到这儿，他已经习惯了这儿的生活．
分析 has been used to．
解答 答案：has been used to．表示习惯于做某事结合后面的动名词结构以及be用be used to doing sth，表达的动作发生在过去持续了一段时间，故用现在完成时have/has+过去分词，主语My grandpa三单，故has，be的过去分词been，故答案是has been used to．
点评 used to do
过去常常做某事
be used to doing
习惯于做某事
used to do 过去常常做某事
be used to doing 习惯于做某事 be used to do sth被用来做某事
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