k\(\ge\) 5 => k = 5; 6; 7; ...=> x = 11; 13; 15 ;...

E = {11; 13; 15; 17;19;  ...}

Bài 1

1. A. Center B. Soccer C. Bicycle D. Nice

2. A. Plane B. Bank C. Paddy D. Math

3. A. Hour B. House C. Help D. Home

4. A. Look B. School C.Book D. Cook

5. A. Many B. Any C. Woman D. Thanks

Bài 2

1. Thank you very much!_____

A. That is right B. Nothing C. You're welcome D. Don't mention

2. Do you like oranges_____ apple? - I don't like oranges _____ apples.

A. and /or B.or /and C. or /or D. and /and

3.My friend goes to school by motorbike, but I _____

A. don't B. doesn't C. goes D. does

4. Sport are very good for our _____

A. healthy B. unhealthy C. health D. healthily

5. Whose book are you reading? - It's _____

A. English book B. interesting C. Mary's D. about Mary

6. My sister _____ got a car. She only _____a motorbike

A.hasn't / has got B. doesn't have/has C. hasn't/haves D. doesn't have/ haves got

1. taught

2. had

3. have played

4. didn't have

5. Do ... go

6. has worked

7. sang

8. did ... miss

9. did ... buy/ bought

10. built

11. didn't stand

GOOD LUCK TO YOU ^^

Theo mk bạn Nguyễn Thị Nguyệt làm đúng hết rồi nhưng bài 1 phần a mk làm khác bạn í ^^

* P/s: Mk làm theo ý kiến mk nhé^^

1. Correct the sentence .

a) I will going to the beach today .

=> am

* P/s: Bài mk tự viết, sai bạn thông cảm ha ^^.

Ha Long Bay is Viet Nam's most beautiful natural wonder. It's in Quang Ninh Province. It has many islands and caves. They named after things around us, such as: Trong Mai island, Dau Nguoi island, ... We should take a boat ride around the islands and take some photos. We should enjoy the seafood, watch the traditional dance and join the exciting activities. I think it's wonderful.

1. If we plant more trees, the air will be fresh.

2. If we use fewer cars, we will reduce pollution.

3. If we cycle to school every day, we will keep fitter.

4. If we use recycled products, we will save money.

5. If people travel more by public transport, the harmful gases in big cities will be reduced.

60 : 6/11 = 60 x 11/6 = 110