Question

【题目】Mary used tobaseball after school but now she's used to ．
A.play；swim
B.playing；swim
C.play；swimming
D.playing；swimming

Answer 1

【答案】C
【解析】句意：玛丽过去常常……篮球在放学后但是现在习惯……。句中有动词短语used to do sth过去常常干某事；be used to doing sth习惯干某事。根据语境可知。故选C。