I. Choose the best option (from A, B, C or D) to complete each sentence: (3.0pts) 1. I don't know how __________ a birthday cake? A. make B. making C. to make D. made 2. __________ you post this letter for me, please? – OK. A. Do B. Are C. Will D. Shall 3. The man __________ in the garden is my grandfather. A. works B. working C. worked D. is working 4. Glass should be collected and sent to factories for __________. A. reusing B. reducing C. refilling D. recycling 5. We __________ morning exercise at six o’clock yesterday. A. took B. take C. are taking D. were taking 6. My friend, Lam __________ to school late. A. is always going B. was always going C. goes always D. always goes 7. The Statue of Liberty ____________by French people. A. design B. designed C. was designed D. was designing 8. Ha Long Bay is __________ by UNESCO as a World Heritage Site. A. studied B. recognized C. known D. seen 9. __________ is often called “The Windy City”. A. Hawaii B. Chicago C. New York D. San Francisco 10. She promises she __________ study hard for the next exam. A. won’t B. will C. is D. must 11. __________ in Cambodia should be really known as a wonder. A. Angkor Wat B. The Taj Mahal C. The Hanging of Babylon D. The Statue of Zeus 12. My school hasn’t held a/an __________ contest yet. A. flower-arranging B. flowers-arranging C. arranging-flowers D. arranging-flower