单项选择题

A．The professor didn’t show up.
B．Too many students didn’t show up.
C．The professor was ill.
D．The class thought the demonstration was too complex.
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填空题
Peter Schwartz’s work helps the government in Singapore to plan the future of the city country.
单项选择题
A．It’s no longer available.B．It’s being redecorated.C．It’s only for rent, not for sale.D．It’s not as good as advertised.
A．It’s no longer available.
B．It’s being redecorated.
C．It’s only for rent, not for sale.
D．It’s not as good as advertised.
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