It’s autumn in Beijing now. Most of the leaves have fallen downYes. Only a few l

问题补充：

--- It’s autumn in Beijing now. Most of the leaves have fallen down.

--- Yes. Only a few leaves on the trees.

A. catch

B. remain

C. change

D. leave

答案：

A. catch

(答案→)B. remain

C. change

D. leave

解析：句意:-现在北京是秋天了。很多树叶都落下来了。-是的，只有一些树叶还留着树上了。catch 抓住，赶上；remain 停留，留下；change改变；leave 离开。根据句意可知选B。