题目内容
I need more stamps before my collection ________.
has completed
completes
has been completed
is completed
解析:
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时间状语从句中,用一般现在时表示将来,这个从句中还要使用被动语态。句意:在我的收集完成之前,我还需要很多邮票。 |
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题目内容
I need more stamps before my collection ________.
has completed
completes
has been completed
is completed
|
时间状语从句中,用一般现在时表示将来,这个从句中还要使用被动语态。句意:在我的收集完成之前,我还需要很多邮票。 |
| |||||||||||||||||||||||||||||||||||||||||||||