Câu hỏi: Kathleen was the only student………………..the test.

A. falls

B. is failing

C. failed

D. to fail

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

A. the hardest

B. harder

C. hardly

D. harder than

Câu 2: I like that sofa, but this one is………………

A. cheaper

B. cheaper than

C. cheaply

D. cheapen

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

A. comfort

B. comfortably

C. comfortable

D. comforts

Câu 4: You should wear this dress because it’s……………..that one.

A. elegant

B. the most elegant

C. more elegant than

D. the elegant

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

A. comfortable

B. the comfortable

C. more comfortable

D. the most comfortable