Câu hỏi đuôi

câu hỏi đuôi
1.lien was doing her homework at 8 o'clock yesterday evening,..................................
2.you will pass the exam if you study hard,...........................................
3.hung saw his parents two days ago,.................................................
4.we've finished their work already,.........................
5.remember to turn off all the faucets before leaving,.........................
6.i should work harder,.................. .............
7.hoang used to walk to school,........................
8.no one can answer this question,.....................
9.my mother usually gets up early every morning,..........................
10.it's not easy for us to learn english well,.........................