cut off cut down区别0.We must plant more trees after we _____ every year.A.cut off them B.cut them off C.cut down them D.cut them down

cut off cut down区别0.We must plant more trees after we _____ every year.A.cut off them B.cut them off C.cut down them D.cut them down
cut off cut down区别
0.We must plant more trees after we _____ every year.
A.cut off them B.cut them off
C.cut down them D.cut them down

cut off cut down区别0.We must plant more trees after we _____ every year.A.cut off them B.cut them off C.cut down them D.cut them down
cut off 切掉,剪下；切断,断绝
cut down 砍倒；削减；压缩
它们是动副词短语,如果是介词必须放在动词和副词之间,所以,排除A和C.
cut down trees 砍伐树木 如果trees 改为them,则放中间
答案：D

cut off 切除 切断;中断 使死亡 cut down 削减 缩短 砍倒
所以选D
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