4. Peter and Mary never come to class on time
5. why does Johnson always get good marks ?
6. do you usually go shopping ?
7. she seldom cries
8. my father never has popcorn.
bài 5:
1. she doesn't sleep late on weekend
2. we don't believe ghost
3. do you understand th question ?
4. they don't work late on Fridays
5. do david want some coffee ?
6. she has three duaghters
7. when does she go to the Chinese class ?
8. why do have to clean up ?
bài 6:
1. starts
2. likes
3. bake
4. writes
5. takes care
6. has
7. swim
8. helps
9. is - tells
10. are
bài 7:
1. is
2. is
3. are
4. is
5. is - am
6. aren't
