中考英语一轮模拟备考：数词用法易错点
◆一两天之类的表达
一两天可说a day or two或one or two days。但不能说成 one day or two或a or two days。类似的有：a year or two / one or two years 一两年 / a month or two / one or two months。
◆一个半之类的表达
表示一个半可用aand a half或one and a half 如：
We waited for an hour and a half. / We waited for one and a half hours. 我们等了一个半小时。
◆每隔几的表达法
如每隔一天的说法有every two days, every second day, every other day，每隔3天的说法有every three days或every third day。
◆另外几的表达法
如另加2个星期可说another / a further two weeks或two other / more weeks。