Câu hỏi: Steve ate his dinner .................. 

A. quick

B. quickly

C. quicken

D. quickened

Câu 1: We met several .................... people at the party.

A. interestingly

B. Interest

C. Interesting

D. interests

Câu 2: Please play that music ............................

A. softly

B. soften

C. soft

D. softens

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

A. happens

B. happening

C. happy

D. happily

Câu 4: Biology is…………………..of all my classes this semester.

A. the hardest

B. harder

C. hardly

D. harder than

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

A. cheaper

B. cheaper than

C. cheaply

D. cheapen

Câu 6: I play checkers sometimes, but I think chess is…………………

A. an interesting

B. more interesting

C. more interesting than

D. interestingly