单项选择题

There's no denying that our boss is a businessman who is very ______ and mercenary.

[A] keen
[B] calculating
[C] acute
[D] astute
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单项选择题
Turn down the TV a little bit and stop talking loudly and your father ______ you to watch that program for one more hour.
[A] allow
[B] should allow
[C] will allow
[D] allows
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