I. Choose the best answer A, B, C or D to complete the sentences. 11. _______ to friends is nice but_______ is also enjoyable. a. Talking /being alone b. To talk/ being alone c. Talk/ to be alone d. Talking/ be alone 12. Would you mind not_______ on the bus? a. in smoke b. to smoke c. smoke d. smoking 13. I'm opposed to (a) : phản đối_______ the money. a. borrow b. be borrowed c. borrowing d. be borrowing 14. The strap (quai/ dây) needs mending. It_______ a. has mended b. has to be mended c. has been mended d. has been mending 15. Don’t stay in this bush (bụi cây) to avoid_______ by snakes. a. bitten b. to be bitten c. being bitten d. bitting 16. She went to market without_______ anything. a. buy b. to buy c. bought d. buying 17. This article is worth_______ into your notebook. a. copying b. copy c. to copy d. to be copied 18. The boy denied_______ the glass window. a. to break b. breaking c. broke d. to break 19. The criminal admitted_______ this innocent (vô tội) child. a. killed b. to kill c. killing d. had killed 20. I intended to revenge (thả thù) him but my father prevented me_______ so. a. from doing b. not to do c. not do d. not doing