Câu hỏi: Oxygen plays a important role in maintaining live.

A. a

B. plays

C. role

D. live

Câu 1: Mr. Smith, along with her cousins from Canada, are planning to attend the firework display in Da Nang, Vietnam.

A. with

B. her cousins

C. are

D. to attend

Câu 2: In July of 1861, Pat Garett killed Billy the Kid in a house close Fort Summer.

A. close Fort Summer

B. of

C. In

D. in a house

Câu 3: Unlike many writings of her time, she was not preoccupied with morality.

A. writings

B. of her time

C. preoccupied

D. with morality

Câu 4: If I had studied carefully, I wouldn't made so many mistakes.

A. I had

B. carefully

C. made

D. so many

Câu 5: Publishing in the UK, the book has won a number of awards in recent regional book fairs.

A. publishing

B. has won

C. in

D. book fairs

Câu 6: Most of the houses on the street was built in the previous century.

A. of

B. on

C. previous

D. was