题目内容
Mr. Smiths was busy writing a story, only ______ once in a while to smoke a cigarette.
| A.to stop | B.to have stopped | C.being stopped | D.stopping |
D
试题分析:句意:史密斯先生忙于写故事,只偶尔停下来抽一根烟。Stop和逻辑主语Mr. Smiths 是主谓关系,故用现在分词作伴随状语。故选D。
练习册系列答案
相关题目