The dog likes watching Bob ()with his friends.A.playB.plays C.playingD.to play
问题描述：
The dog likes watching Bob ()with his friends.A.playB.plays C.playingD.to play
答
选C前后可以都用ing形式？前面是like doing sth后面是watch sb doing sth这是我的想法，你自己考虑清楚吧