(2)be apologetic( about sth) 对...感到抱歉 (3)be anxious (about sth) 为…忧虑 (4)be careful (about sth) 当心… (5)be cautious (about sth) 谨防... (6)be certain (about sth) 确信… (7)be curious (about sth) 对…好奇 (8)be decided (about sth) 对...决...
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