Nêu ví dụ về một bài toán quản lý.( Trừ những ví dụ có trong sách ) ( nêu rõ chi tiết từng thành phần) . Giúp em vs ạ

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cả 3 bài đều chia độn từ đúng trong ngoặc nhé Exercise 2: 1. I (see) ------------------- a car accident on this corner yesterday 2. Mr. John (be) ------------------ principal of our school since last year. 3. My father (not watch) --------------------- TV every night. 4. I (meet) -------------------- Arthur three weeks ago. Last month I (be) ------------------------- in the hospital for ten days. 5. Don’t call me in the afternoon. I usually (be) --------------------------- away in the afternoon. 6. People (speak) ------------------- English in almost all of Canada. Exercise 3: 2. He (come) ------------------- and (see) --------------------- you soon. 3. My mother (come) ----------------------- to stay with us next weekend. 4. Where…are... you (spend) ------------------- your holidays next summer? 5. Violets (bloom)----------------- in spring. 6. They (prepare)-------------------- the Christmas dinner at the moment. 7. When he lived in Manchester, he (work) ---------------- in a bank. 8. Birds (build) ------------------ their nests in summer and (fly)---------- to the South in winter. 9. I (lose) -------------------my key. (can) ---------------------you help me look for it? 10. My brother (join) ----------------------the army when he (be) --------------------young. Exercise 4: 1. Miss Lee often (write)______________ when he (be)____ young. 2. He (leave)_____________________ home two weeks ago 3. You (speak)________________________ to Mrs. Bakers yesterday? 4. Columbus ( discover ) ___________________America more than 400 years ago. 5. When Nguyen Du (die)________? – 6. Hurry up! The train (come___________. đến 9h nha