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

A. long

B. longer

C. most longest

D. longest

Câu 1: ……….languages can you speak ? 

A. When

B. How

C. How much

D. Which

Câu 2: How ………..lemons are there in the fridge?

A. many

B. much

C. long

D. often

Câu 3: The Mekong River is ……….than the Red River.

A. long

B. longer

C. longest

D. the longer

Câu 4: They are going_____vacation in London.

A. in

B. on

C. at

D. for

Câu 5: …..noodles last night?

A. Did you eat

B. Were you eat

C. Did you ate

D. Do you ate

Câu 6: They are going to _______ Nha Trang Beach this summer.

A. stay

B. live

C. go

D. visit