Câu hỏi: The price of his car is ....................... that of my car.

A. twice as much than

B. as twice as

C. twice as much as

D. more twice than

Câu 1: Today is………………..day we have had all week.

A. colder than 

B. the coldest

C. colder

D. coldest

Câu 2: My new laptop costs me ............................. the old one I bought last year.

A. as much as three times as

B. three times more than

C. three times as much as

D. times three

Câu 3: Biology is…………………..of all my classes this semester.

A. the hardest

B. harder

C. hardly

D. harder than

Câu 4: Chris is…………………than his brother.

A. short

B. shortest

C. the shortest

D. shorter

Câu 5: These are very .................... chairs.

A. comfort

B. comfortably

C. comfortable

D. comforts

Câu 6: Choose the one word or phrase that best completes the sentence.

A. old

B. older

C. the oldest

D. oldest