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Mom,haveyouseenmytoybear?Idon’tknow

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問題詳情:

Mom,haveyouseenmytoybear?Idon’tknow

Mom, have you seen my toy bear? I don’t know _____ I have left it.

    A. why   B. when   C. how   D. where

【回答】

D

知識點:連詞

題型:選擇題