một sợi dây dài 1m được cắt đi một đoạn bằng 1/5 độ dài của nó. hỏi đoạn dây còn lại dài bao nhiêu cm?

16. My dad often rode his motorbike to work 2 years ago.(Rewrite the sentence, use “used to”).

48.When I was a child, I ................... swim in the river near my grandfather’s home. 

A. is used to           

B. is used for               

C. used to           

D. used for

49.There will be an English competition this weekend, ...? 

A. won’t there                  

B. isn’t it            

C. will there                

D. aren’t there

46.                       I .................. for you at this time next week. 

A. will waiting                 

B. will be waiting       

C. will be waited        

D. will wait

27. Bon Jovi will ___at the 2019 Rock in Rio music festival in Brazil. 

A. display                          

B. perform         

C. gather            

D. attend

21. People throw tomatoes ___each other at La Tomatina in Bunol. 

A. on                        

B. in                   

C. at                    

D. during

Clean water which is ... through pipes is called piped water

a.supplied.

b.given.

c.run.

d.taken.

I. Choose the word whose underlined part in pronounced differently from the rest.

1. a. breaking            b. great                       c. steak                       d. healthy

2. a. cycle                  b. bicycle                   c. fly                           d. skyscraper

3. a. cycle                  b. licence                   c. vehicle                   d. centre

4. a. reversed            b. walked                   c. stopped                  d. obeyed

5. a. park                    b. pavement               c. plane                       d. safety

Cho tam giác ABC có BC=10cm, AB=6cm và AC=8cm. Tam giác ABC là tam giác gì? vì sao?