问题
选择题
It is requested that each of the teachers invited ______ a performance at the. party.
A．should give
B．will give
C．has to give
D．must give
答案
答案：A
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It is requested that each of the teachers invited ______ a performance at the. party.
A．should give
B．will give
C．has to give
D．must give
答案：A