题目内容
The professor _______ to walk out of the office when one of his students came in.
| A.was about to | B.was going to | C.would | D.was to |
A
解析
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题目内容
The professor _______ to walk out of the office when one of his students came in.
| A.was about to | B.was going to | C.would | D.was to |
A
解析