He was busy writing a story, only ____...
Hewasbusywritingastory,only____onceinawhiletosmokeacigarette.A、tostopB、stoppingC、toha...
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
选哪个?请解释。谢谢
答案选B 为什么不选A 为什么是伴随状语??? 展开
A、to stop B、stopping C、to have stopped D、having stopped
选哪个?请解释。谢谢
答案选B 为什么不选A 为什么是伴随状语??? 展开
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