Câu hỏi: Most of the programs………………….on TV aren’t very interesting.

A. show

B. shows

C. shown

D. are showing

Câu 1: Kathleen was the only student………………..the test.

A. falls

B. is failing

C. failed

D. to fail

Câu 2: The people………………….this office are very helpful.

A. In

B. work

C. are working

D. work in

Câu 3: I like that sofa, but this one is………………

A. cheaper

B. cheaper than

C. cheaply

D. cheapen

Câu 4: Steve ate his dinner .................. 

A. quick

B. quickly

C. quicken

D. quickened

Câu 5: Choose the one word or phrase that best completes the sentence.

A. old

B. older

C. the oldest

D. oldest

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

A. the hardest

B. harder

C. hardly

D. harder than