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

A. elegant

B. the most elegant

C. more elegant than

D. the elegant

Câu 1: The weather is bad tonight so please drive ......................

A. careful

B. caring

C. cared

D. carefully

Câu 2: Choose the one word or phrase that best completes the sentence.

A. old

B. older

C. the oldest

D. oldest

Câu 3: Today is………………..day we have had all week.

A. colder than 

B. the coldest

C. colder

D. coldest

Câu 4: The people………………….this office are very helpful.

A. In

B. work

C. are working

D. work in

Câu 5: The plant…………………………the window needs water.

A. by the time

B. by

C. is by

D. is

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

A. the hardest

B. harder

C. hardly

D. harder than