问题
选择题
Some people who don’t like to talk much are not necessarily shy；they ______ just be quiet people.
A．must
B．may
C．should
D．would
答案
B
考察情态动词的用法.前半句为” 有些人不喜欢讲很多话未必就是因为害羞,”后半句应该为”他们可能是比较安静的人.”
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