This year, there are over 200 volunteers come from different teams to participate Green Summer Campaign. They are well prepared with skills of daily life, working, culture (15) _________ communication in dealing with local people. They are all ready to go to every part of the country to share, help the lives of local people (16) _________ different ways; building houses, bridges, growing plants, (17) _________ and giving the medication to children and the elderly. The volunteers are to cultivate a lot of skills to be able to ensure (18) _________ during the trip. The most important thing is to ensure the health and safety of lives, the volunteers also practiced CPR skills and first aid skills otherwise. They also have meaningful activities in (19) _________ such as cleaning the garbage on the streets, at the beach to protect (20) _________ environment or helping foreign Tourists by giving directions, going across the streets.
15. A. but B. and C. so D. or
16. A. in B. on C. of D. about
17. A. examine B. to examine C. examined D. examining
18. A. safe B. unsafe C. safety D. safely
19. A. downtown B. village C. field D. park
20. A. an B. a C. the D. A & C
