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

A. long

B. longer

C. longest

D. the longer

Câu 1: Hanoi is the ………… of Vietnam.

A. city

B. capital

C. beach

D. hospital

Câu 2: _______ are you going to stay ? _ In a hotel .

A. Which

B. Where

C. When

D. What

Câu 3: It's always cold in the ….. 

A. summer

B. spring

C. fall

D. winter

Câu 4: I usually go to school …….the morning .

A. for

B. at

C. in

D. on

Câu 5: …….are you going to do next weekend? 

A. How

B. How long

C. Where

D. What

Câu 6: How ………..lemons are there in the fridge?

A. many

B. much

C. long

D. often