—I’m sure Andrew will win the first prize in the final.—I think so. He _________ for it for months.
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A
was preparing
B
is preparing
C
has been preparing
D
had been preparing
推荐题目
（2014年北京市西城区高三5月二模试题）25. The report aims to explain how these conclusions ______.
#99108
A
were reached
B
had been reached
C
have reached
D
had reached
Tony ______ his homework this morning before he went to school.
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A
has done
B
did
C
has done
D
will do
Tom as well as two of his friends ______ to the concert last night.
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A
has been invited
B
had been invited
C
were invited
D
was invited
The London 2012 Olympic Games marks the third time that London ______ the right to host the modern Olympics.
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A
had had
B
has
C
had
D
has had