1. A small cottage ...........on the summit of the mountain. a. stands b. stand 2. The results of Dr. Dadilla's experiment........announced in a scientific conference this afternoon. a. was b. were 3. Not only the air but also the oceans...........been polluted seriously. a. has b. have 4. Everyone ........equal rights. a. has b. have 5. Working in the factory ............not what children should do. a. is b. are 6. Some of the milk I bought last night ..........not fresh anymore. a. is b. are 7. No expert ..........studied this area yet. a. has b. have 8. Each of the residents in this community ..........responsible for keeping this park clean. a. is b. are 9. I don't want to talk with anybody who ..........not in charge of this plan. a. is b. are 10. Neither Arnord nor his partners ...........blamed for this mistake. a. was b. were 11. A lot of dirty gas............emitted into the air every day. a. is b. are 12. Several employees ..........very bad jobs. a. has b. have 13. No one ..........the right to tell me what to do or not to do. a. has b. have 14. Most of the roads .............been dug for drainage work. a. has b. have 15. Either you or I .........able to do that job. a. are b. am 16. My sister, together with her two children, ......flying to Hawaii at the moment. a. is b. are