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36. It is over ________ from Shijiazhuang to Beijing.
A. three hours\' drive B. three hour\'s drive
C. three hours\' drives D. three hours drive
37. Write ________ and try not to make any mistakes.
A. as careful as possible B. as carefully as you can
C. most careful D. more careful
36. It is over ________ from Shijiazhuang to Beijing.
A. three hours\' drive B. three hour\'s drive
C. three hours\' drives D. three hours drive
37. Write ________ and try not to make any mistakes.
A. as careful as possible B. as carefully as you can
C. most careful D. more careful