Câu hỏi: This championship attracts millions ___________ participants all over the world.

A. in

B. on

C. to

D. of

Câu 1: Your watch is _______ mine. Yours is 300 dollars and mine is 200 dollars only.

A. cheaper than

B. more expensive than

C. as expensive as

D. the cheapest

Câu 2: Hue was listed as a world cultural Heritage by UNESCO ___________ 1993.

A. on

B. in

C. of 

D. to

Câu 3: How many states are there in _________ USA?

A. the

B. a

C. x

D. an

Câu 4: Do you know which country __________ the 2022 World cup?

A. will host

B. host

C. hosting

D. has hosted

Câu 5: I have to ask my father ________ permission to go camping with my classmates.

A. in

B. of

C. for

D. with

Câu 6: She specializes in _______ novels set in eighteenth-century England.

A. history

B. historian

C. historic

D. historical