Đúng cả cho 500 xu nha mọi người ----- Nội dung dịch tự động từ ảnh ----- 3. David failed the exam because of his laziness. ->Because David...ta ited.. 4. They haven’t cleaned up the street for five months. ->It's.... 5. We have donated books and clothes for ten years. ->We began... 6. I have worked as a volunteer for three years. -> I started..... 7. She has been a member of the Peace Corps for two years. ... -> She became 8. The last time he donated blood was ten years ago. -> It has...... 9. He started to work for this non-profit organisation five years ago. -> He has... 10. He has never had such an interesting experience. -> This is...... (Ex11, Read the text and answer the questions. Organization