The manager manded that the work finished by the end of this month.
A. should be
B. will be
C. must be
D. ought to be
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(答案→)A. should be
B. will be
C. must be
D. ought to be
解析：句中mand后接宾语从句表示命令，用should+动词原形的形式，should可以被省略。故选A。句意：经理要求这项工作应该在这个月底前完成。