He was busy writing a story, only _____once in a while to smoke a cigarette. A．to stop B．stopping C．...
2022-12-20 14:39:22 212次 2014届湖南省高二下学期第一次月考英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
He was busy writing a story, only _____once in a while
to smoke a cigarette.
A．to stop B．stopping C．to have
stopped D．having
stopped
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