the deep river is dangerous ().to swim;to swim in;swim in;sw

the deep river is dangerous ().to swim;to swim in;swim in;sw its dangerous to swim in the river for it is deep A 10-metre The river near our village is（ ）.It is dangerous to swim in It is very dangerous to swim in the river.What can stop them It is dangerous for little children to swim in the river.为什么 in,is,swim,children,to,river,the,dangerous,it,really,for The river is deep enough for people to swim in.同义句 急 The river is very deep,It`s not s--- to swim in. The river is too deep for____ to swim in.It may be very dang ____it is to swim in the river in summer! _____we swim in that river?no,you___.it's dangerous to swim To swim in this river is very dangerous(用IT作形式主语改写句子）