题目内容：
I am not certain whether he will come.
A．determined B．sure
C．sorry
D．glad
参考答案：
答案解析：
单选题：I am not certain whether he will come.
- 题目分类：理工类
- 题目类型：单选题
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B．sure
C．sorry
D．glad
B．sure
C．sorry
D．glad
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