Students are ______ to speak loudly in the reading room．（）
A.told
B.supposed
C.not supposed
D.allowed
龚声蓉回答：
答案：C；betoldtodosth，被告诉做某事；besupposedtodosth．应该做某事；benotsupposedtodosth，不应该做某事；beallowedtodosth．被允许做某事；根据句中的speakloudlyinthereadingroom可知...
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