Don't forger it-----never swim in that dangerous river,_____

Don't forger it-----never swim in that dangerous river,_____ Don't swim in the river a( ) .It's dangerous Don't swim in the river.It's dangerous.__________A.Yes,I wil Don't swim in the l___ alone.It's dangerous. _____we swim in that river?no,you___.it's dangerous to swim the river is dangerous.you ___ swim in it .A.can't B.mustn't you needn't swim in the river .it is dangerous错在哪啊? 14.—— we swim in that river?——No,you .It’s dangerous to swim 1.( )swim in the river.It's dangerous.(填空) can't,that,you,in,river,swim 还比较简单的,看看1,__we swim in that river?No,you __.It's dangerous You ____ swim in the river here. It’s dangerous. A．can’t B．m