cho a=2/3+8/9+26/27+...+3^n-1/3^n

CM a>n-1/2

Ex 1. Choose: a little / little / a few / few

1) I have _______ water left. There's enough to share.

2) I have ________ good friends. I'm not lonely.

3) He has _________ education. He can't read or write, and he can hardly count.

4) There are _________ people she really trusts. It's a bit sad.

5) We've got _________ time at the weekend. Would you like to meet?

6) Julie gave us ________ apples from her garden. Shall we share them?

7) She has ________ self-confidence. She has a lot of trouble talking to new people.

8) There are __________ women politicians in the UK. Many people think there should be more.

9) It's a great pity, but the hospital has _________ medicine. They can't help many people.

10) I've got ________ cakes to give away. Would you like one?

11) There's _________ milk left in the fridge. It should be enough for our coffee.

12) __________ children from this school go on to university, unfortunately.

13) Do you need information on English grammar? I have _______ books on the topic if you would like to borrow them.

14) She's lucky. She has _________ problems.

15) London has _______ sunshine in the winter. That's why so many British people go on holiday to sunny places!

16) There's ___________ spaghetti left in the cupboard. Shall we eat it tonight?

17) There are __________ programmes on television that I want to watch. I prefer to download a film or read a book.

18) He has ________ free time. He hardly ever even manages to call his mother!

19) Unfortunately, I have ___________ problems at the moment.

20) Are you thirsty? There's ________ juice left in this bottle, if you'd like it.

Hoàn thành câu thứ hai sao cho nghĩa không đổi so với câu thứ nhất, sử dụng “more/less/fewer”.

1.  There were fewer criminal cases in my country 3 years ago than now.

__________________________________________________________

2.  There are more wealthy people in big cities than in the countryside.

__________________________________________________________

3.  Are there more health centres in my city now than ten years ago?

__________________________________________________________

4.  People in developed countries spend more money on health care and education than in the underdeveloped countries.

__________________________________________________________

5.  There are less arable land in the city than in the countryside.

__________________________________________________________

Cho dạng đúng của tính từ trong ngoặc

1. Your bag is _____________ (easy) than mine.

2. My mother’s advice is _____________ (useful) for me.

3. The summer this year is _____________ (dry) as ever.

4. It is _____________ (difficult) rule of all

5. This pen writes _____________ (good) than my previous one.

6. This athlete is _____________ (strong) than his competitor.

7.  This pupil is _____________ (clever) in the class.

8. This is _____________ (old) castle in Britain.

9. Health is _____________ (important) than money.

10. This path is _____________ (narrow) than the parallel one.

11. This actor is _____________ (famous) actor from Spain.

12. Kenyans are _____________ (good) sprinters.

13. Luxurious hotels are _____________ (expensive) than those of economic class.

14. My _____________ (old) sister is afraid of mice.

15. Saturn is _____________ 2^nd _____________ (large) planet in our solar system.

16. We have _____________ (much) homework today than we had yesterday.

17. If you need any _____________ (far) information, please contact our assistant.

18. The second part of the film is _____________ (boring) than the first one

19. In childhood my aunt was _____________ (thin), but now she is rather fat.

20. This highway is _____________ (wide) than that highway.

Viết lại những câu này dựa trên những gợi ý đã cho mà không thay đổi nghĩa gốc.

1. My brother was earning much less in his previous job than he is now.

=> (more) ____________________________________ .

2. Chicken is cheaper than beef.

=> (more) ____________________________________ .

3. To my knowledge, speaking English is easier than listening to conversations in English.

=> (harder) ___________________________________ .

4. This is the most delicious lunch she’s even had.

=> (more) ____________________________________ .

5. There is no better doctor in this hospital than Mr.Long.

=> (best) _________________________________ .

6. This is the fastest moving car I’ve ever driven.

=> (faster) _________________________________ .

7. There isn’t anywhere as old as this castle.

=> (oldest) _______________________________ .

8. Have you got any bigger shirt than that one?

=> (biggest) _____________________________ .

9. I am not taller than anyone in the class.

=> (lowest) ____________________________ .

10. The company’s revenue in May is the highest compared to the previous months.

=> (lower) _____________________________ .

Tuyệt! (tuyệt vọng)

Choose: a little / little / a few / few

1) I have _______ water left. There's enough to share.

2) I have ________ good friends. I'm not lonely.

3) He has _________ education. He can't read or write, and he can hardly count.

4) There are _________ people she really trusts. It's a bit sad.

5) We've got _________ time at the weekend. Would you like to meet?

6) Julie gave us ________ apples from her garden. Shall we share them?

7) She has ________ self-confidence. She has a lot of trouble talking to new people.

8) There are __________ women politicians in the UK. Many people think there should be more.

9) It's a great pity, but the hospital has _________ medicine. They can't help many people.

10) I've got ________ cakes to give away. Would you like one?

11) There's _________ milk left in the fridge. It should be enough for our coffee.

12) __________ children from this school go on to university, unfortunately.

13) Do you need information on English grammar? I have _______ books on the topic if you would like to borrow them.

14) She's lucky. She has _________ problems.

15) London has _______ sunshine in the winter. That's why so many British people go on holiday to sunny places!

16) There's ___________ spaghetti left in the cupboard. Shall we eat it tonight?

17) There are __________ programmes on television that I want to watch. I prefer to download a film or read a book.

18) He has ________ free time. He hardly ever even manages to call his mother!

19) Unfortunately, I have ___________ problems at the moment.

20) Are you thirsty? There's ________ juice left in this bottle, if you'd like it.

Complete the sentences.

Chọn đáp án đúng

1. Bill is in class 12, _______ John, who is a year older, is only in class 4.

a. and     b. whereas

c. either     d. nevertheless

2. You must leave at once, ________ you miss the train.

a. however    b. yet

c. still     d. otherwise

3. You need to get some job retraining. _______ it, you risk being laid off.

a. If so     b. If not

c. With     d. Without

4. Could I have rice_______ potatoes, please?

a. but     b. but also

c. instead     d. instead of

5. _______His denial, we knew that he was guilty.

a. Despite     b. In spite

c. Because     d. And