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
答案：B
言语不多的人未必就腼腆，他们可能只是好静而已。must肯定；may或许；should应该；would想必。
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