Bo sánh các biểu thức sau: A = 1/21 + 1/22 + 1/23 + ... + 1/50 và B = 3/4

1.     Your little sister feels very hungry now.

-> ..........……………….....................................................?

2.     Mr. and Mrs. Brown are watching TV at the moment.

-> ..........……………….........................................................?

3.     Our schoolbags are are white and red.

-> ..........………………...........................................................…?

4.     Their parents would like some tea after dinner.

-> ..........………………...........................................................………………?

5.     Now, my brother and I are going to the zoo.

-> ..........………………...........................................................………………?

6.     Viet and Long would like three apples.

-> ..........………………...........................................................………………...?

7.     My favorite food is fried rice.

-> ..........………………...........................................................……………….........?

8.     I often go fishing on Nhue river twice a week.

-> ..........………………...........................................................?

They are going to buy some books and pens this afternoon. 

III- Make questions for the underlined parts in the following sentences:

1.     Phuong is skipping ropes at the moment.

   ……………………………………………………..

2.     Luong and his friends often play soccer in the afternoon.

       …………………………………………………….

3.     Mr. Baker is always busy in the evening.

……………………………………………………………        

4.     They buy ten kilos of rice today.

………………………………………………………………..

5.     My school is between the post office and the field.

       ……………………………………………………………………

1. Phuong’s phone number is 04 33 973 512.    -> ………………….….……………….………………?

2. It’s 1 kilometer from my house to school.  

-> ………………………………………….….………...……?

3. Lan Anh will be eleven on her next birthday.  

 -> …………………………………………….………………?

4. Ha goes to school six times a week     -> ……………………………………..………………….…?

5. They are in their classroom.   

Số bé nhất chia hết cho 3 trong dãy đó là: 1002

Số lớn nhất chia hết cho 3 trong dãy đó là: 9999

( 9999 - 1002 ) : 3 + 1 = 3 000 số. Vậy từ 1000 - 9999 có số các số tự nhiên không chia hết cho 3 là: 9 000 - 3 000 = 6 000 số.

exercise: comparison of adjectives & adverds: 1. gold is (precious)……………………… …………..than iron. 2. cigarette paper is (thin)………………………… of all papers. 3. my bicycle is (expensive)……………………………. as yours 4. the weather today is (warm)…………………………… than the weather yesterday. 5. this film is not (good)………………………. as the one we saw last week. 6. holidays are (pleasant)…………………………... than working days. 7. which is ( high)…………………… ……………mountain in your country? 8. a horse is (strong)……………………….. than a dog. 9. robert is (fat)……………………………… than his brother. 10. the pacific is (large)………………………… ocean in the world. 11. is he (studious)…………………………. as his sister? 12. my cold is (bad) ………………………today than it was yesterday. 13. the story you told me was (funny)………………………….. of all. 14. jane is the (little)………………….. ……….athletic of all the women. 15. nobody is (happy)……………………………. than maria.