If you forget your watch, it is likely to stop soon.
A. to wind up
B. to wind off
C. winding up
D. winding off
网友回答
(答案→)A. to wind up
B. to wind off
C. winding up
D. winding off
解析：A. to wind up上发条 B. to wind off解开；句意：如果你忘记给你的手表上发条的话，它很有可能会很快停下来。forget to do sth忘记做某事，故选A