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

A. the hardest

B. harder

C. hardly

D. harder than

Câu 1: I like that sofa, but this one is………………

A. cheaper

B. cheaper than

C. cheaply

D. cheapen

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: The people…………………next door aren't very friendly.

A. are living

B. live

C. is living

D. living

Câu 4: These are very .................... chairs.

A. comfort

B. comfortably

C. comfortable

D. comforts

Câu 5: Bill ordered two .....................  pizzas.

A. large

B. largeness

C. largely

D. largest

Câu 6: Your garden is ................. beautiful.

A. perfectly

B. perfect

C. perfected

D. perfection