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

A. the hardest

B. harder

C. hardly

D. harder than

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

A. colder than 

B. the coldest

C. colder

D. coldest

Câu 2: This jacket is ....................... the others we've just seen.

A. far most expensive

B. father more expensive than

C. further more expensive

D. far more expensive

Câu 3: You should wear this dress because it’s……………..that one.

A. elegant

B. the most elegant

C. more elegant than

D. the elegant

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

A. short

B. shortest

C. the shortest

D. shorter

Câu 5: American spends more money on fast food .................... country in the world.

A. while other

B. than any other  

C. than other

D. other than

Câu 6: Laser discs provide images of ............................ than those ofeither television signals or video tapes.

A. best quality

B. the best quality

C. better quality

D. good quality