选择题Chinese player is busy'----'for the next olympic Games.A train_英语解答

选择题Chinese player is busy'----'for the next olympic Games.
A train B to train C training

人气：310 ℃　时间：2019-08-20 13:26:33

解答

C
be busy doing sth忙于做某事
中国选手忙于下一届的奥运会