( )is very interesting to swim in the river,but it'sdangerou

( )is very interesting to swim in the river,but it'sdangerou To swim in this river is very interesting 英语学习1.Do you think it is interesting to swim in the river?2. It is very dangerous to swim in the river.What can stop them The river is very dirty.______ people want to swim in it. The river is very dirty,__ people want to swim in it 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.sure it is,look at t To swim in this river is very dangerous(用IT作形式主语改写句子） It can swim in the river.It is f( ) It can swim in the river.It is f