Bai 7: Chia động từ trong ngoặc về thể bị động thì hiện tại đơn để hoàn thành đoạn văn sau: How sugar is made Sugar (1. normally make) _______________ from sugar cane. This kind of plant (2. grow) _______________ in tropical or subtropical areas. In such developed countries as the United States, harvesting of cane (3. do) _______________ mainly by machine. In other areas, this process (4. also do) _______________ by hand. After the cane (5. harvest) _______________ , it (6. load) _______________ mechanically into trucks or railroad and (7. take) _______________ to mills. Then it (8. process) _______________ into raw sugar. The cane (9. clean) _______________ by warm water before it (10. break) _______________ by two or three crusher rollers. A large part of the juice (11. extract) _______________ and then (12. purify) _______________ to make sugar crystals. In the next steps, sugar crystals (13. tumble) _______________ through heated air. After they (14. dry) _______________ ' they (15. sort) _______________ by size and (16. place) _______________ in storage bins. Sugar (17. pack) _______________ in the packages like we see in the supermarket . Sugar (18. use) _______________ for various purposes and it is a must-have. item in every kitchen.