单项选择题

She ought to make a shift now; she is in a bad mood because she ______ in the dull work too long.

A．had engaged
B．is engaging
C．has been engaging
D．engaged
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单项选择题
______ in a famed university abroad was what his parents wished for.
A．The boy to be cultivated
B．The boy cultivated
C．The boy's being cultivated
D．The boy was cultivated
单项选择题
You should have put the milk into the refrigerator, I expect it ______ bad by now.
A．went
B．had gone
C．has gone
D．goes
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