Câu hỏi: The Great Wall of China is the world's _________structure. 

A. long

B. longer

C. most longest

D. longest

Câu 1: ______I help you? _ Yes, I‟d like some beef , please.

A. Do

B. Must

C. Would

D. Can

Câu 2: ________are you from? 

A. What

B. When

C. Where

D. How

Câu 3: It's is a _______of toothpaste.

A. can

B. bar

C. tube

D. box

Câu 4: What _______Ba often do on Sundays?

A. is

B. does

C. do

D. would

Câu 5: They are going _______ Hue for a week.

A. to stay

B. to visit

C. staying

D. stay

Câu 6: There isn't ……..water in the bottle.

A. an

B. a

C. any

D. some