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Astronautshavealreadybeentothemoon.改成疑问句:Wherehaveastronauts()been选填already或yet
题目内容:
Astronauts have already been to the moon.改成疑问句:Where have astronauts( )been选填
already或yet优质解答
already 与 yet 用法比较:yet 一般放在句尾,用来谈预计要发生的事情,并且只用在疑问句和否定句中.如果我们问到期待的事情,我们说 Has it happened yet?(事情发生了吗?)如果还没有发生,我们说 Not yet.(还没有.)...
already或yet
优质解答
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