【題目】Though my grandfather is quite old, he is still very __________ and he is enthusiastic about social activities.

A. live

B. alive

C. awake

D. alone

【答案】B

【解析】考查形容詞辨析。雖然我的爺爺很老了，但他仍很活躍，非常熱心社交活動。active活躍的，積極的；live活著的，現(xiàn)場直播的；awake醒著的；alone單獨的，獨自一人的，孤單的。

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