【題目】When I _________ the past and think how much time has been wasted, my heart bleeds.

look back at B. look forward to

C. look out of D. look away from

【答案】A

【解析】句意：當(dāng)我回顧過去，想到自己虛度了多少光陰時(shí)，我心里痛苦極了。look back at意為“回顧，回憶”；look forward to意為“盼望”；look out of意為“從……朝外看”；look away from意為“把目光從……移開”。

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