1. Anna dislikes ___________ (do) puzzles because she has a limited vocabulary range. 2. Some students are into ___________ (surf) the net to search information for their homework. 3. Minh is making progress in his English. He speaks ___________ (fluently) than he did last semester. 4. Mai decided ___________ (travel) to the Northern Highlands this summer to learn more about ethnic groups. 5. - Why ___________ Tom ___________ (feel) unwell at the moment? - Because he has used his smartphone for a long time. 6. Some students reduce their stress by ___________ (do) origami. 7. During their visit to Ha Noi last summer, they ___________ (take) some photos of Duong Lam. 8. While the truck driver ___________ (unload) the fruit, the farmers are drying rice. 9. When you ___________ (feel) stressed, you should stop surfing the net and go to bed early. 10. The student did the chemistry test ___________ (bad) than the physics test. 11. When Tom was in Japan, he ___________ (watch) many shishi-mai performances. 12. Many teenagers are in the habit of ___________ (have) fast food for their lunch, which is not good for their health. 13. If Alice has enough money, she ___________ (buy) a new computer for working part-time at home. 14. Talking to teachers about our problems can help us feel much ___________ (well). 15. People in the village detest ___________ (build) more and more roads as this may harm the environment.