Câu hỏi: It‟s never .................in winter. 

A. hot

B. cold

C. warm

D. cool

Câu 1: The Red River is the ........................in Viet Nam.

A. longer

B. very long

C. long

D. longest

Câu 2: How .....................are they going to stay there ? _ For 3 days.

A. many

B. much

C. often

D. long

Câu 3: HCM City is ..................................city in Viet Nam .

A. big

B. bigger

C. biggest

D. the biggest

Câu 4:  .................................. you learn French?

A. Would

B. Can

C. Does

D. Are

Câu 5: How much is a .....................of toothpaste?

A. can

B. bar

C. tube

D. box

Câu 6: Tokyo is .............................than Mexico City. 

A. small

B. smaller

C. the smallest

D. very small