单项选择题

A．A new shuttle bus.
B．A scheduled space flight.
C．An airplane flight.
D．The first space flight.
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单项选择题
A．Reading on the campus lawn.B．Depositing money in the bank.C．Applying for financial aid.D．Reviewing a student’s application
A．Reading on the campus lawn.
B．Depositing money in the bank.
C．Applying for financial aid.
D．Reviewing a student’s application
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