单项选择题

A．Teach Brain’s class while he’s absent.
B．Give Prof. Smith the key to Brain’s office.
C．Leave a message on the board in Brain’s office.
D．Bring Brain the homework that was due today.
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单项选择题
A．Courses for doctors.B．Courses for business English.C．Courses for reporters.D．Courses for lawyers.
A．Courses for doctors.
B．Courses for business English.
C．Courses for reporters.
D．Courses for lawyers.
单项选择题
A．The tourist trade, though growing rapidly, has some problems.B．Systems of communication are highly developed now.C．Modem travelers can enjoy a more comfortable trip.D．Tourist organizations don’t offer good services to their clients.
A．The tourist trade, though growing rapidly, has some problems.
B．Systems of communication are highly developed now.
C．Modem travelers can enjoy a more comfortable trip.
D．Tourist organizations don’t offer good services to their clients.
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