Câu hỏi: The harder he tried, the worst he danced before the large audience.

A. before

B. the

C. worst

D. tried

Câu 1: 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 2: There are many reasons why a particular species may become endangering.

A. endangering

B. may

C. a

D. reasons why

Câu 3: If I had studied carefully, I wouldn't made so many mistakes.

A. I had

B. carefully

C. made

D. so many

Câu 4: Because her sickness she didn’t take part in the English competition held in Sunday.

A. Because

B. she

C. take

D. held

Câu 5: It is important that you turned off the heater every morning before you leave for class.

A. turned off

B. before

C. important

D. leave for

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

A. of

B. on

C. previous

D. was