6.The volunteer by ________ children from poor families in their community. A. talking B. encouraging C. tutoring D. singing 7.All the members have to collect glass, waste paper and empty cans and send them for ________. A. recycling B. reusing C. reselling D. producing 8.My hobby is carving eggshells and now I ________ nearly 100. A. am carving B. have carved C. carved D. carve 9.Going home from school yesterday, I ________ an old man to go across the street. A. have helped B. help C. was helping D.helped 10.Last Tuesday, I ________ home late because there ________ a traffic jam near my school. A. go - has been B. go-was C. went - was D.has gone - has been 11.At Tet, my sister and her close friends often go to the hospitals to donate cakes, sweets and toys for the sick children there. She ________ it for many years. A. did B. has done C. is doing D. does 12.Lan ________ Banh Tet. She will try some this year. A. never ate B. is never eating C. has never eaten D. never eats 13.Linh is my close friend. We ________ each other for 5 years. A. are knowing B. knew C. have known D. know 14.________ you ever ________ volunteer work? A. Are- doing B. Did - do C. Do - do D. Have - done 15.I ________ hundreds of old books and clothes for street children so far. A. am collecting B. collect C. collected D. have collected