Question

________ of the city was covered with the heavy smog.

A．Two-third	B．Two-thirds
C．Two-three	D．Two-threes

Answer 1

B

解析试题分析：句意:这个城市的三分之二覆盖着重度雾霾。分数表达法:分子用基数词，分母用序数词，分子大于一分母用复数.two-thirds三分之二。故选B。
考点：考查数词。