Câu hỏi: It's is a _______of toothpaste.

A. can

B. bar

C. tube

D. box

Câu 1: There isn't ……..water in the bottle.

A. an

B. a

C. any

D. some

Câu 2: We live in Hue, but my uncle ……….in Ha Noi.

A. to live

B. living

C. live

D. lives

Câu 3: He was only thirteen, but he ate …….. his father did. 

A. as much as

B. as many as

C. much than

D. more much than

Câu 4: What does Lien do when ………………warm? 

A. there's

B. it's

C. its

D. they're

Câu 5: _______are you going to spend your summer vacation?_ In Da Lat. 

A. When

B. Where

C. How long

D. What

Câu 6: The Great Wall of China is the world's _________structure. 

A. long

B. longer

C. most longest

D. longest