问题
选择题
.
. Shanghai is trying to control ________ number of cars on the road to ensure clean air for
________ 2010 World Expo.
A．a ; /
B．a ; the
C．the ; /
D．the ; the
答案
答案：D
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.
. Shanghai is trying to control ________ number of cars on the road to ensure clean air for
________ 2010 World Expo.
A．a ; /
B．a ; the
C．the ; /
D．the ; the
答案：D