1. When my mother was young. She used (look)......................... after her younger sister.
2. My brother (work) ............................for this company since 2003.
3. Last night, Thu (go)....................................out for a drink without her sister.
4. There used (be)..........................a cinema here but it was knocked down a few years ago.
5. Nam’s mom will be home late, so he ought to (cook) ..................the dinner himself.
6. Miss Lien asked her children (not/make).................................a noise in class.
7. We (live)____________________ in Hue two years ago.
8. Ms. Brown (not go) ______________________to work yesterday.
9. Miss Jackson asked me (wait) _____________________for her outside her office.
10. She (work) ______________________here for 10 years.
11. My mother used (live) ____________on a farm when she was young.
12. You should (go) ___________to bed early.
Cố gắng dịch , tách ra nhưng cũng chịu :) Chỉ gõ 1 dấu cách nó khó đến vậy sao ? Mong bạn lần sau rút kinh nghiệm :) 
1 to look
2 has worked
3 went
4 to be
5 cook
6 not to make
7 lived
8 didn't go
9 to wait
10 has worked
11 to live
12 go
1. When my mother was young. She used (look)..........to look............... after her younger sister.
2. My brother (work) .........has worked...................for this company since 2003.
3. Last night, Thu (go)..........went..........................out for a drink without her sister.
4. There used (be).............to be.............a cinema here but it was knocked down a few years ago.
5. Nam’s mom will be home late, so he ought to (cook) ......cook............the dinner himself.
6. Miss Lien asked her children (not/make)............not to make.....................a noise in class.
7. We (live)________lived____________ in Hue two years ago.
8. Ms. Brown (not go) ______didn't go________________to work yesterday.
9. Miss Jackson asked me (wait) ______to wait_______________for her outside her office.
10. She (work) ________has worked______________here for 10 years.
11. My mother used (live) _____to live_______on a farm when she was young.
12. You should (go) ___go________to bed early.