高一英语动词
高一英语动词
They can't leave until they_____ their work.应该填have done.解释一下.
They can't leave until they_____ their work.应该填have done.解释一下.
英语人气:279 ℃时间:2020-08-31 08:02:12
优质解答
用现在完成时,强调直到他们做完工作,他们才离开.如果用did,前面的can 要变成could.
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