He was busy writing a story , only _______ once in a while to smoke a cigarette. A．to stop B．stoppin...
2022-12-29 07:31:01 187次 2014届辽宁省高二第二次月考英语试卷（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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