\(x\times\left(4+\dfrac{1}{2}\right)=55,35\\ x\times\dfrac{9}{2}=55,35\\ x=12,3\)

:)

21 phút 20 giây

1. The audience_________ the rock band were mainly young people.

A. watched             B. watching             C. looked             D. looking

2. I don't know which website is useful_________ getting access to me.

A. of             B. with           C. from            D. for

3. It is said that UFOs are no longer just human being's_________.

A. cooperation             B. imagination              C. creation               D. question

4. She_________to the cinema with her husband last year, but she doesn't go with him now.

A. used to go            B. often goes to             C. usually goes           D. sometime goes

5. Our school is going to_________its one-hundredth anniversary.

A. perform               B. organize               C. celebrate               D. make

6. What would you do if you _________a hero in history?

A. met             B. would meet             C. can meet              D. meet

7. As John was ill, his mother_________him.

A. looked up             B. looked after              C. looked over              D. looked for

8. We're spending too much money on clothes. We should be more_________.

A. economic               B. economically              C. safe               D. economical

9. All the competitors take part in the games in the spirit of_________.

A. sportsman              B. sportsmanship               C. solidarity              D. athletes

10. When we are at home, we can wear_________clothes.

A. casual              B. important             C. unimportant              D. formal

Mai is as tall as Lan

Nam is handsome, but Ba is unhandsome

This is the biggest building in the world

I think she is the best singer in the group

I can't answer such difficult questions