1. you ever (do)__________volunteer work? 2 Yes. I (do) ________ volunteer work last month. 3. I (collect) __________ hundreds of old books and clothes for street children so far. 4. My sister wants to raise funds for street children so she (make) __________ hundreds of postcards to sell them. 5. My hobby is carving eggshells and now I (carve) __________ nearly 100. 6. Going home from school yesterday, I (help) __________ an old man to go across the street. 7. Last Tuesday, I (go) __________ home late because there was a traffic jam near my school. 8. At Tet, my mother and her close friends often go to the hospitals to donate cakes, sweets and toys for the sick children there. She (do) __________ it for many years. 9. Lan never (eat) __________ Banh tet. She will try some this year. 10. Linh is my close friend. We (know) __________ each other for 5 years.