题目内容
There was a big fire yesterday. But everyone ________ escape from the burning building.
[ ]
A.could
B.were able to
C.abled to
D.was able to
答案:D
解析:
解析:
|
D 表示经过努力能或在危险、困难的情况下设法能,应用be able to,这里应用过去时且为单数。 |
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