Khi mới nhận lớp 8a, cô giáo chủ nhiệm dự định cho lớp thành 3 tổ như nhau. Nhưng sau đó lớp nhận thêm 4 học sinh nữa. Do đó cô giáo chủ nhiệm đã chia đều số học sinh của lớp thành 4 tổ. Hỏi lúc đầu lớp 8a có bao nhiêu học sinh biết rằng số học sinh của mỗi tổ lúc đầu có nhiều hơn lúc sau là 2 học sinh

Word forms

1. They interviewed 20....but only one wwas offered the job

Apply

2. Wwe shold do some....word for the charities

Volunteer

4. Going by train is than going to by bus

Convenience

Mistakecorrection

1. Sice this is the first thỏm you wn a comeputer , do ouind if I give yousome advice?

3. A flower growing in the graden is more beautiful thân flower stood in a vác

5. We have decided going to France fur our holiday

2. The animal. ...in the forest fire wasa wild pig

Hurted Hurts hurting

3. ......is a large hole in the side of a mountain or under the ground

Waterfall cave bay Lake

4. Before...... for work, he ate some bread and milk for breakfast

he left He leaves leaving a và c

5. I couldn't find the guide book.......in E

Wrote was written writing written

1. The flight ... at 6.15 has been delayed

Leave leaves leaving left

Rewrite

1. He used to spend more time going out than he does now

He doesn 's.....

2. My mother speaks E and so does my father

My mother speaks the....

6. I'm vietnamese . He is Japanese

My....

7. She has't lived with her grandparents for six year

It.....

Đưa 1vật nặng 40kg lên cao 3m bằng mặt phẳng nghiêng có cd =6m

a, tính công cần đưa vật lên và lực kéo vật,mặt phẳng nghiêng (bỏ qua ma sát)

b, trong trường hợp mặt phẳng nghiêng có ma sát người ta phải dùng 1lực kéo là 250N. Xác định hiệu suất của mặt phẳng nghiêng nói trên

Sửa lỗi sai

1. My son will give a present if he gets mark ten

2. Mr Blake is one of the represents from friends of the Earth

4. Mixture the floor with the eggs and butter

5. The can was finally opened by a spoon

6. It's dangerous for people to do their shop in the city center

7. Keep the cheeses freshly by warpping each one indiviually

4. Tree leaves...to wrap things

A.should use B.shouldbe use

C.should be used D.should be using

5. Is rubbish....everyday?

A being collected B.collecting

C.collected D.be collected

7. We shouls use...bags instead of plastic bags

A.cloth B.clothe

C.clothed D.clothing

8. Beer ...for breakfast in England years ago

A.used be drunk

B.used to drink

C.used to be drank

D.used to be drunk

9. It's not always easy.. good teaching materials in this field

A.find B.to find

C.finding D.for finding

10. She has already.....his cup five or six times

A.refilled B.reused

C.reduces D.recycle

11. It is important.....his son attend all the lectures

A.that B.for

C.in order to D. To

12. She threw...all the broken toys

A.aside B.away

C out D.down

13. ...is waste from the body of a large animal such as an eleplant or a cow

A. Compost B. Dung

C. Garbage D. Fertilizer

14. Break the chcolate....into squares

A.up B.in

C.on D.off

15. All children's shoes are now....to $20 a pair

A.reused B.reduced

C.refilled D.recycled

16. ....is a mixture of decaying plants and vegetables that is added to soil to improve its quality

A. Trash B. Ferlilizer

C. Dung D. Compost

17. Sooner or later a satellite ....by a large piece of rabbish

A.will destroy

B.will destroyed

C.will be destroyed

D.will be destroying

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