They the train until it disappeared in the distance.A. sawB. watchedC. noticedD. observed

发布时间:2020-08-15 00:07:59

They      the train until it disappeared in the distance.
A. saw
B. watched
C. noticed
D. observed

网友回答

A. saw
(答案→)B. watched
C. noticed
D. observed
解析:该句的意思是他们目送这辆火车直到它消失在远方。只有watch才能表达这个意思。
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