Sắp xếp 

1 Smoken / factories / a cause / air pollution
2 There / be / fine days/ winter / when sun / shine

3 Lan / have / small field / and / grow / vegetable / flower

4 I / like / fried rice / glass / orange juice / please

5 Villagers / like / go / forest / when / spring come

Đề bài điền vào chỗ chấm chấm 

Your headaches and you sneeze and  (1)......... Your nose is all stuffed up , and it kept running , so you have to bloww it every few minutes . You know by these symptoms that you have a (2)..... You feel very unpleasant . You are not sure if you will live through the day 

Everyone may catch the (3).... cold at some time or other . It is not (4)....... serious medicine can relieve the (6) ....... It can make you cough (7) .... ,make your headache less intense , and stop your  (8)....... running for a while . However , it can not cure your cold . So far , there (9) .......no cure for the common cold . There is no medicine to (10) ......it

RÚT GỌN BIỂU THỨC

a)   (a - b )³ - ( a³ - b³) 

b) (a  + b) . ( a - ab +b² ) + (a - b ) . (a²+ ab +b²)

c) a³ +b³  - ( a-b³⁾

1 How long has Nga lived in Hanoi?

2 How long have they studied English?

3  Where is the girl watching TV

4  What time did Nga finished the job yesterday

5 How long have you built this house ?

Đề bài : dùng từ gợi ý để hoàn thành câu

1 Last night / I /eat / lot / because/food / delicious

2 what / clever / girl / She / learn /cook/dish/ quickly

3 you/ know/how/ prevent/ cold /?

4 what / we have / dinner /toninght

5 morning exercise / and / banlanced diet/ enought / healthy