help me - Dicamon

Question

help me

Answer

1. C. has upgraded 2. C. attended 3. A. Do you see 4. B. useful 5. C. educational 6. B. were walking - asked 7. C. haven't finished 8. C. have given 9. B. careful 10. C. endless

Answer

Question 1: He __ his computer to the latest operating system lately. Correct answer: C. has upgraded Translation: Anh ấy đã nâng cấp máy tính của mình lên hệ điều hành mới nhất