People must down the trees
People must down the trees
Most of the forests have gone,people must ______ down trees
Must we cut down the trees? No.we ____.
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
1.people must be stopped from cutting down trees.(改为同义句)
we must ask people not to cyt down trees now.保持句意不变
the young trees must
today the forests have almost gone .people must --- down too
we must stop -------(cut)down the trees.cut是不是用原形
some people( )the trees in the forest A.cut down B.cut off
If people ()(continue)to cut down the trees,the birds will h