Choose the best answer: 1. My brother Tam, _____ graduated from the University of Foreign Languages, now works for an import-export company. A. who B. whose C. whom D. which 2. _____ is one of my favorite activities. A. cook B. cooker C. cooking D. cooks 3. One of the _____ diseases that mankind has ever had is AIDS. A. bad B. baddest C. badder D. worst 4. You won't get good marks if you write your answers _____. A. care B. carefully C. carelessly D. careless 5. Doctors have tried to stop people from ... but they haven't been very ... A.smoke/success B.smoker/succeed C.smoking/successD. smoking/ successful 6. Marie Curie was a great _____, who won the Nobel Prize two times. A. science B. scientist C. scientific D. scientists 7. The advertisement says people must write their ....... in English. A. applications B. application C. apply D. applicant 8. Students normally visit their old teacher's houses _____ Teachers' Day. A. in B. on C. at D. into 9. _____ you pay more attention to your work, you'll probably get poor marks in the final exam. A. If B. Unless C. Because D. However 10. She has a lot of _____ in teaching young children. A. opportunity B. experience C. intelligence D. identification 11. It is a very famous play, so you should _____ your seat well in advance. A. telephone B. manage C. purchase D. book 12. My parents usually let me _____ what I think I should. A. do B. doing C. to do D. can do 13. She really can't get used _____ told what to do. A. to be B. to being C. for being D. to have been 14. St. James's Park has a beautiful lake on _____ live a great variety of wild ducks. A. it B. that C. which D. where 15. If any body _____ question, please ask me after class. A. has B. have C. have the D. has a