Choose the best answer. They all sat down in a circle about me, ... be

A) observe
B) to be observed
C) observing
D) to observe 9; (03-8-30) Choose the best answer. The boy was made ... medicine. A) taken B) take C) taking D) to take 10. (03-8-33) Choose the best answer. She is a good story teller, I cant help ... to her whenever I can. A) to listen B) be listened C) listen D) listening 11. (03-10-7) Choose the best answer. I regret... all my old pictures. A) losing B) to lose C) to losing D) being lost 12. (v4-101-13) Complete the sentence. You learn that your friend is in the hospital. You try ... A) to take a nap B) taking some aspirin for his headache C) to visit him as soon as possible D) not to miss your classes 13. (v4-117-24) Choose the appropriate non-finite form of the verb. The tourists stopped at the motorway services ... something to eat. A) was getting B) got C) to get D)get 14. (v6-133-15) Choose the answer which correctly completes the sentence. A fire must have a supply of oxygen, otherwise it will stop ... A) burn B) burns C) burning D) burnt 15. (v7-182-14) My dog simply loves ... for a walk, so we spend a lot of time in the park. A) being taken B) to have been taken C) to take D) taking 16. (v11-136-21) Choose the answer which correctly completes the sentence. I bet you have forgotten ... the book again, havent you? I was hoping to get it back today. A) brought B) bring C) bringing D) to bring 17. (v12c-110-10) Choose the answer which correctly completes the sentence. He studied sculpture because he enjoyed ... with clay. A) to work B) working C) to have worked D) to be working 18. (v12c-116-19) Choose the answer which correctly completes the sentence. Sometimes I rest in the shade of a thick wood; at other times I stop ... the minerals of an old quarry. A) examine B) examined C) to examine D) to have examined 1