问题
选择题
. -- What does the sign on the wall read?
--“ No person ______ enter it without permission.”
A．will
B．may
C．shall
D．must
答案
答案：C
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. -- What does the sign on the wall read?
--“ No person ______ enter it without permission.”
A．will
B．may
C．shall
D．must
答案：C