Words You Always Have to Look Up Your vs. You're: How to Use Them Correctly Popular in Wordplay See All More Words with Remarkable Origins 8 Words with Fascinating Histories 8 Words for Lesser-Known Musical Instruments Birds Say the Darndest Things ...
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After a preposition whether must be used 在介词之後只能用 whether: It depends on whether the letter arrives in time. 这取决於信是否来得及时. Whether is also used when the clause it begins is the subject of a sentence *|whether 还可用以引导主语从句: Whether they win or lose is all the ...