three years is a long time 句子对吗?three years 做主语动词使用单数还是复数

My father is ( ) than my mother. A. three years older B. older three years C. three years old Her sister is ____ than her.A three years older B three year old C three years old D three years elder说明理由 my father is ____than my mother.下面哪个正确?A.three years old B.older three years C.three years older three years is a long time 句子对吗?three years 做主语动词使用单数还是复数 he has been a soldier for three years.改为同义句：It is three years --------- ---------- ---------the army. Three years is(are) really a short time.这里的years是可数的吗? three days are还是is enough.和three years is 还是are a long time一样吗 John is only three years old.He is in a k____ now She is o________ three years old Max is three years old马克思是三岁? 7.Three years is a long time to be without a job. for three years ,But he is a shy boy ,so i wrote hum a letter firstly Mr.Williams is a baker three years ago,but now she was a hairdresser 改错 Lao shu shekels,and for forty years,yellow no.Born in Peking.Three years without a father,is l How time flies Three years is neally a short time 这个怎么翻译啊? This is the school_______I studied three years ago.A.where B.which It is three years since he became a worker 用现在完成时改写 this is the primary school______I studied three years ago.A.whereB.whenC.thatD.which