Question

Mr. Smiths was busy writing a story, only ______ once in a while to smoke a cigarette. A．to ..

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

Answer 1

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。