It is dangerous swimming in the sea in stormy weather.be dan

It is dangerous swimming in the sea in stormy weather.be dan swimming in the sea is dangerous.同一句是什么啊 同义句转换swimming in the sea is very dangerous= （） is very dange swimming in the sea is very dangerous.There are some sharks swimming in the sea is great f__ He is swimming in the sea. Swimming in the river is dangerous 主语是Swimming吗 求It is very dangerous swimming in the lake和It is very danger If you swim in the sea,it will be very dangerous.(改为一般疑问句） He is swimming in the sea.对 in the se It's very hot.( )is nice to go( )in the sea.A/That;swimming ( )football in the street.It is dangerous.