Three years is(are) really a short time.这里的years是可数的吗?

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 she ____ three years older than her litter sister.(is,am,are)选词填空 our teachers said three years ____ really short .A is B was C are C were She is o________ three years old Max is three years old马克思是三岁? How time flies!Three years _________reallt a short time.A.is B.are C.was D.were how time flies.Three years __ indeed a short time.A.is B.are C.was D.were How time flies!three years （） really a short time. 该填什么（is；are；was；were）为什么 How time flies!Three years _____ really a short time.A.is B.are C.was D.were How time flies!We‘ll graduate.Three years（）really a short timeA was B are C is Our teacher said three years ____really short.( )[说理由] A is B was c are D were答对有奖赏 My father is( )than my mother.1.three years old 2.older three years 3.three years older My father is ( ) than my mother. A. three years older B. older three years C. three years old his brother is [ ] [ ] [ ] than heA.three years olderc.three year olderD.three older yearsB.old three years three years Three years( )a long time for us students A.aThree years( )a long time for us students A.are B.be C.is D.have been说出理由 I have been here for three years.=It is three years ______I____here