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

A. long

B. longer

C. most longest

D. longest

Câu 1: Ba and Nam usually go________in the river. 

A. swimming

B. sailing

C. camping

D. walking

Câu 2: ________are you from? 

A. What

B. When

C. Where

D. How

Câu 3: We live in Hue, but my uncle ……….in Ha Noi.

A. to live

B. living

C. live

D. lives

Câu 4: It's cold in our country ………………the winter.

A. at

B. on

C. of

D. in

Câu 5: Peter comes from Britain. He speaks ……... 

A. British

B. English

C. American

D. China

Câu 6: The Mekong River is ……….than the Red River.

A. long

B. longer

C. longest

D. the longer