điền vào chỗ trống

- Khi chiếu chùm sáng ...(1)... đến gương cầu lõm cho chùm tia phản xạ hội tụ ở trước gương.
- Tia tới và tia phản xạ hợp với nhau một góc 600 thì góc phản xạ có số đo là.... …(2)...............

- Khi đặt vật gần gương .....(3)....cho ảnh ảo, lớn hơn vật.
- Bóng ...(4)... là vùng nằm sau vật cản, nhận một phần ánh sáng từ nguồn sáng truyề tới.
- Một người cao 1,5 m đứng cách gương phẳng 1m thì ảnh người đó cao.. …(5)....m.
- Hiện tượng nhật thực xảy ra khi mặt trời, trái đất, mặt trăng thẳng hàng, .. …(6)............nằm giữa.
- Góc phản xạ ... …(7)...............góc tới.
- Quy ước đường truyền của ánh sáng bằng một đường thẳng có mũi tên chỉ hướng gọi là.
…(8)...............

1. The last time I played the violin was 2 years ago.

=> I haven’t played the violin for 2 years.

2. She last did charity work 2 years ago.

=> She hasn’t __________________________________________________________.

3. The last time I wrote a letter was 5 years ago.

=> I haven’t____________________________________________________________.

4. My father stopped smoking in 2014.

=> My father hasn’t smoked since 2014

5. When did you start doing charitable work?

=> How long____________________________________________________________?

6. Don’t eat more junk food or you’ll get obesity.

=> Eat _________________________________________________________________.

7. Do you like playing computer games?

=> Are you ______________________________________________________________?

8. He was taken to the hospital. His right leg was broken. (combine the sentences into one, using “so”)

=> _____________________________________________________________________.

9. Tom is interested in reality TV shows. He doesn’t like game shows. (combine the sentences into one, using “but”)

=> Tom is_______________________________________________________________.

10. I like eating seafood, but she likes eating something else. (from)

à What I like            ____________________________________________________________.

1. Choose the one word or phrase A, B or C- that best completes sentences.

1. Choose the word whose underlined part is pronounced differently from that of the others.

(chemistry/ charity/ school)

2. Choose the word whose stress is pronounced differently from that of the others.

(provide/ listen/ invite)             

3. A: Let’s do something outdoor.

    B: (How about going swimming? / Not at all. / Proud of you!)

4. Nga often has toothache, (but/ so/ and) she stills eats a lot of sweets and cakes.

5. Ms Hoa enjoys (plants/ planting/ to plant) trees and flowers.

6. Eat (more/ less/ little) junk food. It makes you fat!

7. Lan: Hi doctor. I feel weak and sick.

     Dr Law: Did you have enough (health/ calories/sickness)? You should eat more and get more exercise, too.

8. If you spend most of your free time making vases or bowls from clay, your hobby is (making models/ making pottery/ collecting).

9. (Obesity/ flu / temperature) is a problem – people are putting on weight.

10. They have decided to clean up the neighbourhood because it is full of (rubbish / flowers / green trees).

21. She/ find/ collect glass bottles/ easy. (Complete the sentences)

___________________________________________________________________

22. She enjoys _____________ (complete the sentences)

___________________________________________________________________

23. work / done / you / ever / have / volunteer / any? (Arrange the words to make correct sentences)

___________________________________________________________________

24. what / to / help / we / can / do / environment / clean / the? (Arrange the words to make correct sentences)

16. The Japanese eat healthily. They live for a long time. (Rewrite the sentence using “so”)

___________________________________________________________________

17. I feel tired. I feel weak. (Rewrite the sentence using “and”)

___________________________________________________________________

18. You can go and see the doctor. You can go to bed now and rest. (Rewrite the sentence using “or”)

___________________________________________________________________

19. What do you like doing in your free time? (Answer the question)

___________________________________________________________________

20. She hates ____________ (complete the sentences)

___________________________________________________________________

11. I eat more fruit and vegetables. I want to be fitter and healthier. (Rewrite the sentence using so)

___________________________________________________________________

12. You may have an allergy. Be careful with what you eat and drink. (Rewrite the sentence using “so”)

___________________________________________________________________

13. Tom has a temperature. Tom has a sore throat. (Rewrite the sentence using “and”)

___________________________________________________________________

14. You are catching flu. You don’t wash your hands very often    (Rewrite the sentence using “but”)

___________________________________________________________________

15.  I want to eat some food. I have a sore throat. (Rewrite the sentence using but)

___________________________________________________________________

Rewrite the sentences or do as directed

1. My friend eats lots of junk food and he is putting on weight. (Give advice using imperative with “more”)

___________________________________________________________________

2. Her favorite hobby is bird watching (Rewrite the sentence using “love”)

___________________________________________________________________

3. My father finds making model creative and useful (Rewrite the sentence using “think”)

___________________________________________________________________

4. My son doesn’t do his homework. He spends much time watching TV. (Give advice using imperative with “less”)

___________________________________________________________________

5. You should eat less junk food. You can put on weight easily (Rewrite the sentence using “or”)     

___________________________________________________________________

6. My brother plays computer games all day. (Give advice using imperative with “less”)

___________________________________________________________________

7. Ngoc’s favorite hobby is making models.   (Rewrite the sentence using “enjoy”).

___________________________________________________________________

8. She thinks that carving wood is useful and unusual. (Rewrite the sentence using “find”).

___________________________________________________________________

9. He eats lots of unhealthy food and he is putting on weight. (Give advice using imperative with “more”)

___________________________________________________________________

10. The children do more exercise than adults. They are more active and stay in shape (Rewrite the sentence using “so”)     

___________________________________________________________________