Exercise 1: Complete the sentences. Put the verb into the correct form 1. Trees ...........more quickly in summer than in winter. (grow) 2. We ..........................at about 7:00. Couldn’t you come an hour later? (usually get up) 3. In 1788 he ....................his last great work in Vienna. (write) 4. She .................at Kennedy Airport at 2 o’clock this morning. (arrive) 5. Frank ................stamps in his spare time. It’s his hobby. (collect) 6. My mother ..............all the doors and windows before she goes to bed. (lock) 7. I ...............away most of my old books when I moved house. (throw) 8. Scientists ..............some fundamental discoveries in the 18th century. (make) 9. Alice ..................her mother in London most weekends. (see) 10. Sir Isaac Newton ..............calculus. (invent) 11. .................durian when you lived in Malaysia? (ever/ eat) 12. Both ancient and recent records show that farmers ..................long hours. (work) Mn ơi làm hộ mik đi. Đang cần rất gấp

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