8. Tom said it was accidental, but I am sure __________ on purpose. a. him to do b. him to make c. he did it d. he made it 9. The plane took off ________ the fog. a. because of b. because c. although d. despite 10. His ambition ________ his ability. a. outgrew b. outclassed c. outdid d. Outran 11. The traffic law requires anyone under 18 ________a motorcycle in the street. a. don’t ride b. not to ride c. doesn’t ride d. not ride 12. Unless you ________, I will explain it again to you. a. understand b. don’t understand c. won’t understand d. didn’t understand 13. Hung has just bought ________HDD 16B computer. a. the b. an c. a d. Ø 14. I’ll soon get the ________nice and smart. a. looking b. to look c. looked d. look 15. The more electricity you use, ________. a. the higher your bill will be b. the highest will be your bill c. your bill will be higher d. the more higher your bill will be