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

A. there's

B. it's

C. its

D. they're

Câu 1: The Mekong River is ……….than the Red River.

A. long

B. longer

C. longest

D. the longer

Câu 2: There isn't ……..water in the bottle.

A. an

B. a

C. any

D. some

Câu 3: I don't want much sugar in my coffee. Just…….., please 

A. a few

B. a little

C. fewer

D. less

Câu 4: What about ……..to Sapa on the weekend?

A. go

B. going

C. to go

D. goes

Câu 5: It's cold in our country ………………the winter.

A. at

B. on

C. of

D. in

Câu 6: Ba and Nam usually go________in the river. 

A. swimming

B. sailing

C. camping

D. walking