单项选择题

When Mr. Black retired, his son__________ the business.

A．took up
B．took over
C．took on
D．took out
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单项选择题
Are you__________spending more money on the space program
A．in favor of
B．by favor of
C．in favor to
D．out of favor
单项选择题
Speaker A: Mind if I call you AlbertSpeaker B :__________
A．Yes, just call me A1.
B．Yes, you may do that.
C．Of course not. But just plain" AI" will do.
D．OK. Everyone does.
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