13. I think Ho Chi Minh city will become a..soon.There are about nine million people living there. A.megacity B.earthscraper C. eco-friendly D.underground 14.I like to look the Moon at night. It s so beautiful. A . on B. in C. at D. to 15. Rafting and .are so much fun, but rafts have more people in the boat. A. canyon B. highland C. hiking D. kayaking 16.We should take . so we can see when it is dark. A. batteries B. sleeping bags C. pillows D. flashlights 17 Do you think more people .in the counttyside? A. live B. are living C. will live D. to live 18. You.swim in this river. It is very dangerous. A. can B. cant C. should D. will 19. Lets go to Phu Quoc island this summer? A.I agree with you B. Thanks a lot. C.Youre welcome D.Thats a good idea. 20.Excuse me! How can I go to the bus station? .. A. Its near here. B. Its not far from here. C Go straight and turn left. D. Its opposite the supermarket. 21. Remember to bring a ________. It will keep you warm when you sleep at the campsite. A. flashlight B. towel C. sleeping bag D. battery 22. ________ is special clothing to wear when astronauts work outside in space.  A. Space station B. Gravity C. Spaceship D. Spacesuit 23. In the future, automatic food machines ________ all our food. A. might make B. will be C. have D. prepares 24. Your teacher ________ angry if you ________ playing computer games. A. are/ wont stop B. will be/ dont stop C. will be / wont stop D. will be/ stop 25. My friends , Lan and Nam , __________ in HCM city last weekend. A. was B. were C . are D . is 26. ________ is a piece of land with water all around it. A. An island B. A bay C. A park D. A mountain