It's dangerous ____ play with matches.横线上该填什么单词?适当词填空.
问题描述:
It's dangerous ____ play with matches.横线上该填什么单词?适当词填空.
答
It's dangerous to do sth
答
填to,意思是和机器打交道很危险。
答
It's dangerous __to__ play with matches.