急！！！！！！Though he is in his sixies , _____he works as hard as a young man A. yet B.but C. and

急！！！！！！Though he is in his sixies , _____he works as hard as a young man A. yet B.but C. and

你好 选择A yet .though和but不能同时使用 但是 有一个固定用法 though ...yet 这里yet充当But的意思

选A 啊 though 后面不能用but
Though he is rich, his life is not happy.

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