I spent all my spare time surfing the Internet.I am absolutely keen ___ it.

分类: 作业答案 • 2021-12-18 10:55:22

问题描述：

I spent all my spare time surfing the Internet.I am absolutely keen ___ it.
1.on
2.at
3.in
4.to

答

keen on
1.喜爱,热爱
He is keen on music.
他喜爱音乐.
2.对...着迷,喜爱