I often spend an hour____to English on the radio.A,to practice li_英语解答

I often spend an hour____to English on the radio.A,to practice listening B,practicing listening
C,practicing to listen为什么选B

人气：302 ℃　时间：2019-12-12 12:20:24

解答

正确：B
spend some time (in) doing sth.
practice doing sth.
因此,两个词都必须使用doing形式.