什么时候使用two-month holiday或two months' holiday?我遇到两道单选题：1.Jim has a ( ).A.two months' holiday B.two-month holiday 此题选B2.After ( ) training,Polo could stand up.A.two months' B.two-month 此题选A都是“两个月

什么时候使用two-month holiday或two months' holiday?我遇到两道单选题：1.Jim has a ( ).A.two months' holiday B.two-month holiday 此题选B2.After ( ) training,Polo could stand up.A.two months' B.two-month 此题选A都是“两个月 month什么时候加s two month's two month a two -month two months' 什么区别 next two month,无比感激! ( ) two month ago 填介词 month在什么时候用复数 I have () holiday.A:two months B:two month′s C:two-month D:a two-month two and a half month(s),month后加不加s? two and a half month(s),month后加不加swhy We have two ____every month (party) next two month,翻译一下,无比感激! two or three times every month a two-month vacation和a two months' vocation区别 a two-month vocation和a two months' vocation区别 Tom said they wound have ____ holidayA、a two month B、two months C、two-months D、 two month's My father would have a () summer holiday this year 1 wo months 2 wo month 3 wo-months4 wo-month holiday什么时候是复数,什么时候不用加S?为什么有时候我觉得holiday是复数,可它却不用加S?比如a two-month holiday能不能再列举些holiday要加S词组,和不加的词组? 什么时候使用定滑轮?什么时候使用动滑轮?