Giúp mình với mình cần gấp: SECTION C. LEXICO & GRAMMAR ( 80 points) Part 1. Choose the best answer from A, B, C or D to complete these sentences. (20 points) 1 __________is the longest river in Viet Nam, Mekong River or Dong Nai River? A.Where B.Which C. How D. Who 2. If we cut down more forests, there__________more floods. A.are B. were C. have been D. will be 3. Here is their son’s telephone number; I don’t have __________ . A.their B. theirs C. they D. them 4. A robot can do________diff erent things from looking after a baby to building a house. A.much B. many C. few D. little 5. Lake Baikal is the __________.freshwater lake in the world. A.large B. larger C. largest D. more large 6. The opposite of “dangerous” is__________ . A.polluted B. good C. safe D. dirty 7. Do you think the robot is only__________intelligent machine? A.an B. a C. the D. ø (no article) 8. The three Rs __________for Reduce, Reuse and Recycle. A.stand B. sit C. make D. explain 9. I like this gym__________ equipment here isnew and cool. A.An B. C. The D. ø 10. In the future, robots__________ behave like humans. A.should B. must C. need D. might 11.We __________ to Ho Chi Minh City for our last summer vacation. A.go B.went C.are going D.have gone 12.My father __________ Kuala Lumpur three times. A.visit B.will visit C.visited D.have visited 13.The noise in the street usually __________ me awake at night. A.keeps B.is keeping C.kept D.has kept 14.__________ to a native speaker of English, Phuong? A.Have you ever talked B.Do you ever talk C.Did you ever talk D.Are you ever talking 15.We sometimes __________ out when we lived in the city. A.eat B.will eat C.have eaten D.ate 16.Vinh __________ home for school yet. A.didn't leave B.hasn't left C.isn't leaving D.don't leave 17.Amsterdam is one of the __________ cities in the world. A.peacefullest B.peacefuller C.most peaceful D.more peaceful 18.I think Seoul is __________ than Jakarta. A.cleaner B.cleanest C. more cleaner D. most cleanest 19.Eiffel Tower is the most __________ landmark in the world. A.been B.looked C.designed D.visited 20.Britain's most popular __________ is fish and chips. A.drink B.place C.food D.film