#xin ctlhn chủ tus ơi!~
Exercise 1:
1. went.
2. don't visit.
3. Did your mum make.
4. sent.
5.
Exercise 2:
1. didn't buy.
2. didn't watch.
3. like.
4. left.
5. come.
Exercise 3:
1. A: Did you go to work yesterday?
B: No, I didn't. I never work on Saturdays.
2. A: Did you see Charles yesterday?
B: Yes. We had lunch together.
3. A: Does Colin work at a bank?
B: No, he does. He works at a post office.
4. A: Did you do anything exciting last Sunday?
B: No, not ready. I watched TV and read a book. It was an boring weekend.
5. A: What do you do at weekends?
