I.Điền thêm vào những câu này. Cứ mỗi lần sử dụng Although đều phải kèm theo một câu có trong khung.

1. I couldn’t sleep …………………………………..

2. ………………………………..they enjoyed their holiday.

3. She didn’t get the job, ………………………………….

4. ………………………………..he is quite fit.

giải hệ phương trình

\(\left\{{}\begin{matrix}\frac{3}{y-2}-\frac{2x-3}{x+1}=11\\\frac{3y+1}{y-2}-\frac{2}{x+1}=6\end{matrix}\right.\)

cho hệ phương trình

\(\left\{{}\begin{matrix}x+y=3\\2x+my=m+5\end{matrix}\right.\)(I)

Tìm các giá trị của m hệ phương trình (I) có nghiệm duy nhất (x,y) thoả mãn:

1)x+2y =3

2)x>1 và y<0

3)Biểu thức A=3x²+y² đạt giá trị nhỏ nhất

cho đường tròn (O), lấy 2 điểm A và B trên đường tròn sao cho số đo cung AmB =100 độ

a)Tính góc AOB

b)Vẽ góc nội tiếp đỉnh M chắn cung AmB của (O).Tính góc AMB

Hỗn hợp khí A gồm có CO và CO₂

a) muốn tách lấy riêng từng chất chất khí bằng phương pháp hóa học ta phải làm thế nào?

b) Muốn chuyển tất cả khí A thành khí CO hoặc thành khí CO₂ taphải làm thế nào?

Make the sentences using the words given.

1. She/ rather/ very/ he/ though/ modest/ intelligent/ however .

…………………………………………………………………………………………

2. There/ went/ no/ however/ we/ on/ was/ hoping/ news .

………………………………………………………………………………………….

3. However/ like/ often/ rude/ is/ him/ me/ to/ but/ he/ I .

………………………………………………………………………………………….

4. I/ however/ she/ still/ carefully/ didn’t/ understand/ explained.

………………………………………………………………………………………….

5. The/ she/ window/ cold/ open/ outside/ however/ has/ it/ is.

………………………………………………………………………………………….

IVComplete the sentences. Use one of these tones: the present simple, the present progressive, the simple post, or the past progressive

1. You can turn of the television. I ………………… (not/watch) it.

2. When I………………… (open) the car door this morning, a cat…………………(jump) out.

3. Bob………………… (hurt) his finger when he ………………… (cook) his dinner.

4. I………………… (live) in London for ten years while I………………… (be) a child.

5. Listen! Somebody………………… ( play) the piano. ~lt’s Jenny. 6.She………………… (play) the piano every evening.

7. Louise usually………………… (phone) me on Fridays, but she………………… (not/ phone) yesterday.

8. We ………………… (go) to the cinema last night, but I………………… (not/enjoy) the film much.

9. When we………………… (see) Mark, we………………… (stop) the car.

10. When I last………………… (see) Allan. he………………… (try) to find a job in London.

11. My brother………………… (try) to find a job at the moment. It’s very difficult.

12. This time last year I…………………(live) in Brazil. And I………………… (meet) my husband while I…………………(work) there.

13. What………………… (you! do) at 10 o’clock yesterday? ………………… (you/study)?

14. They still………………… (live) in the small house they………………… (buy) 50 years ago.

15. Last night while I………………… (do) my homework. my brothers…………………(play) computer games.

Choose the correct phrasal verbs from the list below to complete these sentences:

1. “.........................!” he said. “This is not the time for sleeping!”

2. “ ........................ in that chair, please.” Said the doctor.

3. The bus is moving too fast and I couldn’t .............................. it.

4. I’m going to ..................... smoking tomorrow.

5. I’m going to ...................... the station and ask about the trains.

6. May I .......................... the ceiling fan? It’s so hot here.

7. They ............................ the money his father gives them.

8. Your plane ........................ at 6:00.

9. You haven’t ..................... my instructions.

10. We are ........................ to our holiday.

I. Fill in the blank space in each sentence with : and, but, so, or, because, therefore, however:

1. Polly’s watch was broken __________ she borrowed mine.

2. My family went to Africa ___________ we wanted to study the wild animals.

3. Melissa tried to read the book ___________ she couldn’t understand it.

4. She isn’t English. ___________ , she speaks English perfectly.

5. They went to town ___________ bought a lot of clothes.

6. The road was under water. ___________ , the police closed it to traffic.

7. The air is polluted ___________ there’s too much traffic.

8. I haven’t got a car ___________ I’ve got a motorbike.