Wewalkedacoupleofblocks,lookingforacab

來源:國語幫 2.74W

問題詳情:

 Wewalkedacoupleofblocks,lookingforacab

 We walked a couple of blocks, looking for a cab _______.

A. in vain for        B. for in vain         C. in vain             D. in for vain

【回答】

C

知識點:詞組 短語

題型:選擇題

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