we must ask people not to cyt down trees now.保持句意不变 we must
we must ask people not to cyt down trees now.保持句意不变 we must
we must ask people not to cyt down trees now.保持句意不变
we must ask people not to cut down trees =we must -----peopl
1.we must go home now.It's getting dark.(保持句意不变)
we must stop talking 保持句意不变
2.we must keep animals from cruelty (保持句意不变) we must _____an
We must not leave rubbish in the park.(保持原句意思不变) ____ _____
We muse stop cutting down trees.保持句意不变,We___ _____ cutting d
Must we cut down the trees? No.we ____.
People must down the trees
We must stop cutting down forests.句意不变怎么改?
We must stop___ down trees.A.cutting B.cut