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

A. at

B. on

C. of

D. in

Câu 1: The Great Wall of China is the world's _________structure. 

A. long

B. longer

C. most longest

D. longest

Câu 2: ……….languages can you speak ? 

A. When

B. How

C. How much

D. Which

Câu 3: Why don't we ……..television? 

A. to watch

B. watch

C. watching

D. watches

Câu 4: How often do you do morning exercises in the summer ?

A. I sometimes do

B. Yes , I do

C. I like it

D. I play soccer

Câu 5: The Mekong River is ……….than the Red River.

A. long

B. longer

C. longest

D. the longer

Câu 6: I don't want much sugar in my coffee. Just…….., please 

A. a few

B. a little

C. fewer

D. less