1. You can sleep in this sleeping______________ during the trip.
A. tube        B. pack
C. bag         D. coat
2. Samantha takes a pair of ____________ to cut the string.
A. scissors     B. shoes   
C. glasses     D. gloves
3. It is dark in the cave, so I bring a________ with me.
A. plaster     B. map
C. torch       D. painkiller
4. It's going to rain and I forget to bring a____________ . 
A. coat            B. hat
C. umbrella     D. waterproof coat
5. You should wear a ___________ under the sunshine. 
A. pair of gloves        B. sun hat
C. sun cream            D. plaster
6. Do you know that Phu Quoc is_______ island in Vietnam?
A. the largest       B. the larger 
C. largest             D. larger
7. You ________ your vehicle in this area.
A. mustn’t park        B. must parking
C. mustn’t to park    D. must to park
8. Students_________ in an exam or the teacher will send them out.
A. must cheat          B.mustn't to cheat
C. mustn’t cheat      D. must to cheat
9. I think Da Lat is________city in.Viet Nam. 
A. the prettier        B.the prettiest   
C. prettiest            D. the prettyest
10. Vatican City is the world’s_________ country by land area.
A. smaller                B.smallest 
C.the smallest         D. the smaller
11. Ayres Rock is famous, but what is ________in Australia?
A. highest mountain              B. higher mountain
C. the highest mountain        D. the higher mountain
12. Visitors________ photos in their area without their permission.
A. mustn’t to take           B. must to take       
C. must take                   D.mustn't take
13. Lauren likes Ha Long Bay_________ than the Grand Canyon.
A. many        B.much
C.most          D. more
14. You_________ mountain climbing alone. You_______ in a group.
A. must to go/ mustn't go              B. mustn't go/ must go
C. mustn’t go/ must to go              D. must go/ mustn’t go
15. Son Doong in Quang Binh is__________ in the world.
A. the largest cave           B. largest the cave
C. the larger cave            D. the cave largest
16. Her ____________very curly.
A. hair is       B. hairs are       
C. body        D. hand
17. Today I have got__________ to do.
A. much work             B. many works
C. less work               D. work much
18. I think too_________ taught in schools. 
A. many mathematics are                    B. much mathematics is
C. more mathematics                          D. less mathematics
19. We are all eager to increase our _________.
A. knowledge           B.knowledges 
C. studying               D. units
20. __________cheese cubes have you got in the box?
A. How much              B. How many 
C. How often              D. How long