It is hard to say what kind of person he is. Sometimes he is very friendly; at other times he ______...
2023-02-06 11:16:02 39次 20102011学年度江苏省高一下学期期中考试英语试题 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
It is hard to say
what kind of person he is. Sometimes he is very friendly; at other times he _______
be very cold.
A.
can B.
must C. will D.
shall
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