Though faced with so many difficulties, they are _____ about their future. A. curious B. enthusiasti...
2022-11-05 11:41:06 23次 2014-2015学年江苏响水中学高一上期末英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Though faced with so many difficulties, they are _____ about their future.
A. curious B. enthusiastic
C. optimistic D. concerned
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