Đáp án phải kèm giải thích nha Choose the best answer A, B, C or D to complete the sentences. 1. Volunteers can do general _____ such as clean-up projects or home repair. A. activities B. things C. labour D. jobs 2. My brother and I _____ a white tiger already. A. have seen B. has seen C. see D. are seeing 3. I _____ blood twice, and _____ presents to sick children in the hospital recently. A. donate - give B. donated — gave C. have donated - have given D. have donated - gave 4. Volunteering is special _____ me because I can help others. A. at B. for C. with D. to 5. How many novels _____ Charles Dickens _____? A. does - write B. have - written C. did - written D. did - write 6. We _____ to Ha Noi several times, but last summer we _____ there by train. A. flew - went B. has flown - went C. have flown - have gone D. have flown - went 7. She _____ blood twenty times so far. A. donates B. has donated C. is donating D. to donate 8. He _____ lectures to foreign tourists about traditional food and games recently . A. gives B. gave C. have given D. has given 9. They have decided to clean up the neighbourhood _____ it is full of rubbish. A. so B. but C. although D. because 10. “Have you ever _____ to Sa Pa?” A. gone B. been C. seen D. visited