（ ）22.—Can you go and play with us?—Sorry,I am busy my homework.A．do B．to do C．doing D making
问题描述：
（ ）22.—Can you go and play with us?—Sorry,I am busy my homework.
A．do B．to do C．doing D making
答
Can you go and play with us? —Sorry, I am busy （doing）my homework
你能去和我一块玩么？-------对不起，我正在忙着做我的作业
be busy doing Sth是固定句型，忙于做某事的意思
希望会对你有所帮助......
答
C.busy doing sth,忙于做某事