Exercise 10 1. Most of the people here ______ each other. A. know B. to know C. knows D. known 2. Some of my friends ______ abroad. A. living B. to live C. lives D. live 3. All of us______ that he is wrong. A. thinks B. to think C. think D. thinking 4. Some people______ difficulty with the lecture, but most______ it clearly. A. has /understand B. have / understand C. have/ understands D. has / understands 5. Children______ ice-cream. A. liking B. to like C. likes D. like 6. Marie______ a red car. A. having B. has C. to have D. have 7. The children______ been playing in the snow. A. have B. to have C. having D. has 8. Mr. and Mrs. Brown______ reading their mail sent from their son. A. were B. are C. was D. is 9. Fax machines______ written messages. A. transmit B. transmits C. to transmit D. transmitting 10. Experience______ talent. A. develop B. develops C. to develop D. developing