.You should bear in mind that he is not so strong as he __.You should bear in mind that he is not so strong as he .A.was used to be B.was used to C.used to be D.used to
问题描述:
.You should bear in mind that he is not so strong as he __
.You should bear in mind that he is not so strong as he .
A.was used to be B.was used to C.used to be D.used to
答
D used to 表示过去的状况
used to do sth 过去常常做某事
在此避免重复,省略