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

A. long

B. longer

C. longest

D. the longer

Câu 1: What does Lien do when ………………warm? 

A. there's

B. it's

C. its

D. they're

Câu 2: 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 3: _______are you going to spend your summer vacation?_ In Da Lat. 

A. When

B. Where

C. How long

D. What

Câu 4: Are you going to see _____in Hue? 

A. Cham museum

B. the citadel

C. Ngoc Son temple

D. Huong pagoda

Câu 5: Ho Chi Minh has a ………of 3.5 million.

A. city

B. capital

C. population

D. country

Câu 6: It's cold in our country ………………the winter.

A. at

B. on

C. of

D. in