if we cut down and____ trees,we _____our best fighters again

if we cut down and____ trees,we _____our best fighters again 连词成句cut we the trees will dirty get air the down if all Must we cut down the trees? No.we ____. We shoud not cut down the trees.这句话对么? We must stop___ down trees.A.cutting B.cut in great danger,we cut down many trees every year. We should stop people from" "(cut)down trees. We should stop people from cuts down trees.为什么cut -We shouldn't cut down too many trees,should we?-__.We shoul we must stop -------(cut)down the trees.cut是不是用原形 Trees are very important.We can't cut thenm down B cut it do We cut down many trees that day.对many trees划线部分提问