. Choose the correct option to complete the sentences.

1. How much time do you spend _______ TV every day?
A. watch               B. to watch           C. watching
2. I’d hate _______ the exams, so I’m doing my best.
A. failing              B. to fail               C. fail
3. I always enjoy _______ to my grandfather. He always tells me great stories.
A. to talk              B. to talking          C. talking
4. Could you help me _______ the kitchen? It’s a real mess!
A. tidy                  B. tidied                C. tidying
5. Steven dislikes _______, so he usually takes a bus to work.
A. to drive            B. to be driven      C.  driving

6. Mongolian children start to learn _______ before they can walk.
A. horse riding      B.riding horse       C. ride horse
7. On the side of the road, a herd boy was herding _______.
A. kites                 B.hay                    C. blackberries
8. Mongolian children learn to ride when they are _______ as three years old.
A. as young                     B.younger            C. younger than
9. Does your new stereo play music _______ than your old one did?
A. louder              B.more loudly       C. loudlier
10. Countryside is not polluted _______ you can breathe there fresh air.
A. although                    B.however            C. therefore

11. You look really tired. You _________ take a few days off and have a holiday.
A. should              B. must                 C. have to
12. In Vietnam, you _________ take a deep bow as you do in Japan.
A. mustn’t            B. don’t have to            C. should
13. Sorry, but my train is at 6.00. I _________ leave now.
A. shouldn’t                   B.ought to                     C. have to
14. You _________ look’ at other students’ work. It’s against the rules.
A. shouldn’t         B.don’t have to              C. mustn’t

15. The airline only allows two piecesof luggage. You _________ pack too much!
A. shouldn’t         B. mustn’t                      C. don’t have to