摘要：32．Airplanes that used to take more than half a day to cross the Atlantic are now to make it in several hours. A．faster than B．fast enough C．so fast D．faster
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Airplanes that used to take more than half a day to cross the Atlantic are now _____ to make it in
several hours.
several hours.
[ ]
A. faster than
B. fast enough
C. so fast
D. faster
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B. fast enough
C. so fast
D. faster