Question

9．李明习惯于睡觉前喝点牛奶．
Li Ming used to drink some milk before going to bed．

Answer 1

分析 Li Ming used to drink some milk before going to bed．

解答 答案：Li Ming used to drink some milk before going to bed．结合句意是说过去常常用used to do sth，喝牛奶drink some milk，睡觉前before going to bed，故答案是Li Ming used to drink some milk before going to bed．

点评 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