Câu hỏi: ……do you do when it is cold? 

A. Where

B. What

C. When

D. Who

Câu 1: 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 2: They are going _______ Hue for a week.

A. to stay

B. to visit

C. staying

D. stay

Câu 3: It's cold in our country ………………the winter.

A. at

B. on

C. of

D. in

Câu 4: Ho Chi Minh has a ………of 3.5 million.

A. city

B. capital

C. population

D. country

Câu 5: It's is a _______of toothpaste.

A. can

B. bar

C. tube

D. box

Câu 6: Ba and Nam usually go________in the river. 

A. swimming

B. sailing

C. camping

D. walking