17.“How often are the Olympic games held?” _______ A. Every four years. B. Four years. C. In 2009 D. Every year. 18._______ is your favorite program? A. Where B. Which C. What D. Who 19.Would you like tea _______ hot chocolate for your breakfast? A. and B. but C. or D. so 20.Our car is old, _______ it drives beautifully. A. and B. but C. or D. so 21.The football match is on at 2 am _______ I can‟t watch. A. so B. although C. but D. now

17.“How often are the Olympic games held?” _______

A. Every four years  (4 năm 1 lần). B. Four years. C. In 2009 D. Every year.

18._______ is your favorite program?

A. Where B. Which C. What D. Who

19. Would you like tea _______ hot chocolate for your breakfast?

A. and B. but C. or (hoặc)  D. so

20. Our car is old, _______ it drives beautifully

. A. and B. but (nhưng) C. or D. so

21. The football match is on at 2 am _______ I can‟t watch.

A. so B. although C. but( nhưng)D. now