I. Mỗi câu sau có những lỗi sai tìm và sửa lại
1) Nam received a letter of => from his pen pal two days ago
2) Hoa learns to know how take => to take care of herself
3) what is the matter of => with you,Lan
4) Don’t stay up early => late, it’s bad for your health
5) Minh felt happily => happy when the dentist filled the cavity
6) Remember brushing you => to brush your teeth every day
7) My father always rides his motorbike careful => carefully
8) He has strong white teeth because he brushes his tooth => teeth regularly

II. Viết lại câu ko thay đổi nghĩa

a) Don’t forget to brush your teeth every day

Remember to brush your teeth every day

b) Don’t stay up late at night

Remember not to stay up last at night

c) It is very useful to do morning exercises

Doing morning exercises is very useful

1-e)

2-a)

3-d)

4-c)

5-b)

have a toothache / a lot of candies

a. Why does Minh have a toothache?

Because he ate a lot of candies.

be worried / see dentist

b. .... why is Minh worried?

... because he is going to see the dentist

be scared / sound of the

c. ...why is he scared?

...because he hates the sound of the drill

feel calm / dentist kind

d. ... why does he feel calm?

... because the dentist is kind

feel better / fix the tooth

e. ...why does he feel better?

... because the dentist fixed his tooth

be happy / teeth healthy

f. ... why is he happy?

... because his teeth are healthy

ak ha giờ cả chuyện tình cảm cũng cho vào olm rùi nhỉ

(x+1)(x+1)(x+1)(x+1)(x+1)(x+1)-(x-1)(x-1)(x-1)(x-1)(x-1)=(x^2+2x+1)(x^2+2x+1)x^2+2x+1)-(x^2-2x+1)(x^2-2x+1)(x-1)=(x^4+2x^3+x^2+2x^3+4x^2+2x+x^2+2x+1)-(nhân đa thức với đa thức làm tương tự như phần số bị trừ) xong bỏ ngoặc trừ phần có số mũ bằng nhau cho nhau

1/ It opens 7 days a week/ It opens all week.

2/ The title of film next week called "Midnight Meeting"

3/ The film lasts two hours and fifteen minutes.

4/ Student have to bring his student card if they he the cheaper ticket.

5/ It's just five-minute walk from the cinema.

Náo loạn OLM giống như náo loạn thiên đình ấy

3 bn gái 4bn trai.

Tick mk nhiều là may mắn cả năm đấy! tick nha!

0,12359 tôi làm bài này trong VIOLYMPIC rồi nhé đúng 100%