Câu hỏi: We always travel by train because it is………………….than a bus.

A. comfortable

B. the comfortable

C. more comfortable

D. the most comfortable

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

A. colder than 

B. the coldest

C. colder

D. coldest

Câu 2: You should wear this dress because it’s……………..that one.

A. elegant

B. the most elegant

C. more elegant than

D. the elegant

Câu 3: These are very .................... chairs.

A. comfort

B. comfortably

C. comfortable

D. comforts

Câu 4: Biology is…………………..of all my classes this semester.

A. the hardest

B. harder

C. hardly

D. harder than

Câu 5: I like that sofa, but this one is………………

A. cheaper

B. cheaper than

C. cheaply

D. cheapen

Câu 6: 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