they didn't have to be afraid of catching SARS如何对CATCHING SARSthey didn't have to be afraid of catching SARS如何对CATCHING SARS提问

They have got to leave for the airport tight away,____?A.haven't they B.don't they C.didn't they D.have they they were ( )because they didn 't havethey were ( )because they didn 't have lunch They came here to have a metting on time,____?A.didn't they B.did they C.don't they D.do they However,they didn’t have a heart to nag their friend about that.求翻译 They didn't have to learn so much history?中文意思!1 they didn't have to be afraid of catching SARS如何对CATCHING SARSthey didn't have to be afraid of catching SARS如何对CATCHING SARS提问 用needn't to或didn't have to或didn't need填空：Then the frogs thought that they ( ) go any further. They( ) get up early on weekends.A didn't have to B had not to C haven't to D don't have to didn't have to 和don''t have to 区别 they will go to hainan this winter,but they ___ when to leavea.didn't decideb.have never decidedc.have dicidedd.haven't decided They _ make a decision about the election at the meeting.A.didn't needB.needed notC.hadn't toD.didn't have to He Didn't Have To Be 歌词 He Didn'T Have To Be 歌词 There is no light in the dormitory.They must have gone to the lecture_____1.didn`t they2.don`t they3.mustn`t they4.haven`t they要原因 there is no light in the dormory(宿舍).They must have gone to the lecture,___?A.didn't they B.haven't they Greens must have been to Shanghai ,_____they?A.hadn't B.didn't C.can't D.weren't还有haven‘t they (They must have been there yesterday ,______they?)能用weren't they 还是didn't they? The classroom is empty.They must have gone to the sports ground,_________?A don't they B didn't they C haven't they D hadn't they