This classroom is that one.
A. three times bigger as
B. three times as big
C. three times the sizeof
D. as three times big as
网友回答
A. three times bigger as
B. three times as big
(答案→)C. three times the sizeof
D. as three times big as
解析：考查倍数。倍数表达法：A + 谓语+倍数+the +n.(size/ height/ length……)+of B；A + 谓语+倍数+as + adj. + as B；A + 谓语+倍数+adj. 比较级+than B。句意：这个教室是那个教室的三倍大。故C正确。