问题
选择题
They ______ the train until it disappeared in the distance.
A.saw
B.found
C.noticed
D.observed
答案
答案:D
考察动词。Saw 看到 found 发现 notice注意到 observe观察,
句意为,他们观察这辆火车知道它消失在远方。
They ______ the train until it disappeared in the distance.
A.saw
B.found
C.noticed
D.observed
答案:D
考察动词。Saw 看到 found 发现 notice注意到 observe观察,
句意为,他们观察这辆火车知道它消失在远方。