题目内容
用be to do sth.和 be about to do sth.填空
(1)I ________ leave when someone knocked at the door.
(2)We ________ start for Hong Kong tomorrow.
(3)You ________ start for Shanghai at once.
答案:
解析:
解析:
(1)was about to (2)are to (3)are to |
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