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Theysolvedtheproblemintheend.YetIreallydon’tknow

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問題詳情:

Theysolvedtheproblemintheend.YetIreallydon’tknow

They solved the problem in the end. Yet I really don’t know ________.

D. how did they make it B. how they made it  C. why did they make it


【回答】

B  

知識點:賓語從句

題型:選擇題

TAG標籤:#tknow #