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He isn't a doctor
Is he a doctor
That isn't a book
Is that a book ?
She doesn't live on Pham Hung Street
Does she live on Pham Hung Street ?
They aren't students
Are they students ?
Exercise 12 :
1. It took Mr.Hoang half an hour to walk to work yesterday.
=> Mr.Hoang spent half an hour walking to work yesterday.
2. What is the price of this cap?
=> How much is this cap?
3. You shouldn't eat too much meat
=> You'd better not eat too much meat
4. Lan is the youngest of the three sisters
=> Lan has two sisters
5. Our house is older than any other house in the living centre
=> Our house is the oldest one in the living centre
6. Mai usually works hard
=> Mai is usually a hard worker.
7. There are eight hundred stamps in Hoa's collection
=> Hoa's collection has eight hundred stamps
8. How heavy is the chicken?
=> What is weight of the chicken?
9. How much is this book?
=> What is the price of this book?
Exercise 11 :
1. Listening to music is much more interesting than going to the circus.
=> I prefer listening to music to going to the circus.
2. We didn't enjoy the trip because of the heavy rain
=> The heavy rain prevented us from enjoying the trip
3. You shouldn't eat too many candies
=> You had better not eat too many candies.
4. He is a slower and more careful driver than Lan
=> He drives more carefully than Lan
5. The visitor spoke too quickly that I couldn't understand what he said
=> The visitor spoke too quickly for me to understand
6. You shouldn't eat too much meat
=> You'd better not eat too meat
7. How heavy is the chicken?
=> What is weight of the chicken?
8. Hoa is a hard students
=> Hoa studies hard
9. It takes me about two hours each day to do my homework
=> I spend about two hours each day doing my homework
10. He is a slower and more careful driver than I am
=> He drives more carefully than I do.
I.
a)
b)
II.
III.
IV.
V.
I. Ngữ âm.
1) I think we should help street children in our city because they need to have a good life.
2) So far I have donated many books and clothes for children.
3) Last month I helped my friend do homework.
4) I feel more confident after joining a charitable organization because I had a chance to make friends.
5) In order to make our school green and clean , my classmates and I have dicussed about many solutions.
6) One of classmates comes from a poor family, so I have helped her a lot.
7) I decided to volunteer to clean the street up because I think it\'s good for the environment.
8) I think we can help erderly people by sharing my time with them.
9) I belive that volunteers are the happiest people because they feel great when they do something good for people.