单项选择题

If the whole opera, on ______ beforehand, a great deal of time and money would have been lost.

A．was not planned
B．has not been planned
C．had not been planned
D．were not planned
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______ is LESS likely to attend the supposed summit meeting.
A．The president of Brazil
B．The president of El Salvador
C．The president of Mexico
D．The president of the United States
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The man needed to see the woman ______
A．to get medical treatment
B．to take a final exam
C．to find out the exam schedule
D．to get an extension for a paper
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