Câu hỏi: The Red River is the ........................in Viet Nam.

A. longer

B. very long

C. long

D. longest

Câu 1: What time ...........................classes start?

A. do

B. does

C. is

D. are

Câu 2: We have ..........................lakes in the countryside. 

A. any

B. a lot

C. lots of

D. much

Câu 3: ............................are you going to stay ? _ In a hotel.

A. What

B. Where

C. When

D. Which

Câu 4: How .....................are they going to stay there ? _ For 3 days.

A. many

B. much

C. often

D. long

Câu 5:  ..................... do you do when it is hot?

A. Who

B. What

C. When

D. Where

Câu 6:  …………..is a teacher.

A. You

B. She

C. It

D. I