They_____the train until it disappeared in the distance.A．sawB．watchedC．noticedD_刷题宝

题干

They_____the train until it disappeared in the distance.

A．saw

B．watched

C．noticed

D．observed

上一题下一题 0.85难度单项选择更新时间:2010-06-05 05:25:49

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