–It’s dangerous here. We must not let people fall down.
It was dangerous down here.
Tom,____(not play)football here,it's dangerous
we must ask people not to cyt down trees now.保持句意不变 we must
we must ask people not to cut down trees =we must -----peopl
.It’s not here .It must be _____ ( anywhere ) there
would you please_____(not smoke)here?it's too dangerous
we must ask people not to cyt down trees now.保持句意不变
We can not play football in the s----,it is dangerous.
here we are it's not a perfect world
let's go down here (反义句) let's go down here,________?请尽
let's go down here (反义句) let's go down here,( ( )里填什么?
We must stop____ there because it is very dangerous.