单项选择题

A．He’s preparing for a test.
B．He lost his notes.
C．He missed the class.
D．He’s studying this subject.
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单项选择题
A．He has been shopping around.B．He has been looking for a job.C．He has been dining in a restaurant.D．He has been driving the cab.
A．He has been shopping around.
B．He has been looking for a job.
C．He has been dining in a restaurant.
D．He has been driving the cab.
填空题
dominating
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