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

A. old

B. older

C. the oldest

D. oldest

Câu 1: Biology is…………………..of all my classes this semester.

A. the hardest

B. harder

C. hardly

D. harder than

Câu 2: 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 3: Elizabeth sounded ................. on the telephone last night.

A. happens

B. happening

C. happy

D. happily

Câu 4: Today is………………..day we have had all week.

A. colder than 

B. the coldest

C. colder

D. coldest

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

A. comfort

B. comfortably

C. comfortable

D. comforts

Câu 6: 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