The population oil Tokyo will be______more than that of Mexico City in 2015．
A. 4.6million．
B. 6.8million．
C. 10.5million.
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The bus to the train station was very crowded.
A. Right.
B. Wrong.
C. Doesn't say.
A．whyB．whereC．when
A. why
B. where
C. when
I was 10 minutes early for the train.
A. Right.
B. Wrong.
C. Doesn't say.
What's the increasing rate(增长率)of New York's population during the 15 years？
A. 2.3%．
B. 7.2%．
C. 8.5%．
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