nam/ play soccer / last Sunday

=> Nam played soccer last Sunday.

Ta có d_lớn=2d_nhỏ(1)

P_lớn=d_lớnx3,14(2)

P_nhỏ=d_nhỏx3,14(3)

từ (1),(2) và(3) => P_lớn=2d_nhỏx3,14 = 2P_nhỏ

Vậy khi d hình tròn lớn gấp 2 lần d hình tròn nhỏ thì P hình tròn lớn sẽ gấp 2 lần P hình tròn nhỏ

a) ab - ac + ad = a(b - c + d)

b) ac + ad - bc - bd = a(c + d) - b(c + d) = (a - b) (c + d)

Viết các câu sau sao cho nghĩa của nó giống với nghĩa của các câu ở trên:

1. She suggested going to the concert for a change ?

=> What about going to the concert for a change ?

2.Hoa enjoys reading comics books.

=> Hoa is interested in reading comics books.

3. No one in my family cooks better than my mother.

=> My mother is the best cook in my family.

4. We like to lie on the beach all day.

=> We enjoy lying on the beach all day.

5. Do you fancy going for a walk?

=> Would you like to go for a walk ?

1. Chia động từ trong ngoặc:

1. When my brther and I (be) were chidren , we (have) had two cats and a dog.

2. Peter (not phay) doesn't play sccer with us because he ( have) has lot of homework.

3. Did your father ( buy) buy you a new bike yesterday ?

4. I ( go ) went the cinema last night but I ( not enjoy) didn't like the movie much.

5. They ( travel) are going to travel to the USA next month.

6. How much does it(cost) cost to mail a letter to england ?

7. Where are your children (be) now? They (do) are doing their home work in the room.

8. You are very tired , you should (take) take a rest.

9. Look! the girl (phay ) is playing the piano well.

10. My father always (drink) drinks cofee bejore going to work.

2. Đặt câu hỏi cho từ gạch chân:

1. My brother phays video games twice a week.

=> How often does your brother play video games ?

2. We rarely eat out beause it is too expensive.

=> Why do you rarely eat out ?

3. Minh usually spends one hour on computer games.

=> How many hours does Minh usually spend on computer games ?

4. Hoa phayed tennis with her friends last week.

=> Who did Hoa play tennis with last week ?

5. They were in the bilarary last night.

=> Where were they last night ?

Put the verbs:

1. Nam and lan (study) studied english last year.

2. Miss lien(walk) walked to work yesterday morning.

3. Do they(play) play soccer in the morning ?

4. My brother(not/wash) didn't wash his car two days ago.

5. Did you(listen) listen to music last night ?

III. Complete each sentence so it means the same as the sentence above.

1. I didn’t go to school because I was sick.

=> I was sick, so I didn't go to school.

2. It will be good if you eat less meat and more vegetables.

=> You should eat less meat and more vegetables.

3. He likes playing computer games in his free time.

=> His hobby is playing computer games in his free time.

4. I am interested in watching TV in the evening.

=> I enjoy watching TV in the evening.

5. I think that learning English is important.

=> I find learning English important.

6. My brother enjoys coffee very much.

=> Coffee is my brother's favorite drink.

7. What is the price of a plate of fried rice ?

=> How much does a plate of fried rice cost ?

8. This food has some meat and tofu.

=> There is some meat and tofu in this food.

9. Chicken is my sister’s favorite food. (likes)

=> My sister likes chicken very much.

10. There is sugar in many kinds of food. (have)

=> Many kinds of food have sugar.

ko thể có phép tính như thế 

tick mình nhaaaaaaaaa

Each of the following sentences has one mistake. Identify the mistake and correct it:

1. In England, students don't go to the school at Chismas Day.

=> on

2. I think we have few vacations than American students.

=> fewer

3. There are much students in our school than in their school.

=> more

4. How much hours does Lan's father work a week ?

=> many

5. We are going to have a two-weeks summer vacation in Da Lat next month.

=> two-week

6. Can I find some science books at English.

=> in

7. French is much most difficult than English.

=> more

8. What a awful day!

=> an