Câu hỏi: The people………………….this office are very helpful.

A. In

B. work

C. are working

D. work in

Câu 1: Elizabeth sounded ................. on the telephone last night.

A. happens

B. happening

C. happy

D. happily

Câu 2: These are very .................... chairs.

A. comfort

B. comfortably

C. comfortable

D. comforts

Câu 3: I’ve tried all the desserts at this restaurant, but this one is………………of them all

A. delicious

B. the most delicious

C. most delicious

D. more delicious

Câu 4: We met several .................... people at the party.

A. interestingly

B. Interest

C. Interesting

D. interests

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

A. cheaper

B. cheaper than

C. cheaply

D. cheapen

Câu 6: Biology is…………………..of all my classes this semester.

A. the hardest

B. harder

C. hardly

D. harder than