I regret ______ that I’m too busy ______ in the talk.
A.to say, to participate | B.saying, participating |
C.to say, participating | D.saying, to participate |
相关知识点
推荐套卷
I regret ______ that I’m too busy ______ in the talk.
A.to say, to participate | B.saying, participating |
C.to say, participating | D.saying, to participate |