Câu hỏi: Ba and Nam usually go________in the river. 

A. swimming

B. sailing

C. camping

D. walking

Câu 1: They are going _______ Hue for a week.

A. to stay

B. to visit

C. staying

D. stay

Câu 2: What about ……..table-tennis? 

A. to play

B. playing

C. plays

D. play

Câu 3: Ho Chi Minh has a ………of 3.5 million.

A. city

B. capital

C. population

D. country

Câu 4: _______are you going to spend your summer vacation?_ In Da Lat. 

A. When

B. Where

C. How long

D. What

Câu 5: What does Lien do when ………………warm? 

A. there's

B. it's

C. its

D. they're

Câu 6: _____the spring , I often go for a walk.

A. On

B. At

C. In

D. For