那个男孩在这条河里游泳很危险.的英语
问题描述：
那个男孩在这条河里游泳很危险.的英语
请填空：
It is very ()for the boy ()()in the river.
答
It is very dangerous for the boy to swim in the river
那个男孩在这条河里游泳很危险.的英语
请填空：
It is very ()for the boy ()()in the river.
It is very dangerous for the boy to swim in the river