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1. Your teacher often writes articles for Vietnam news, _______ A. isn't she B. doesn't she C. did she D. does she - Correct answer: D. does she 2. Vietnam is a tropical country ________ has lot of beautiful scenery. A. which B. who C. why D. whom - Correct answer: A. which 3. I am well-qualified and have completed a ____________ in graphic design. A. curriculum B. course C. lesson D. timetable - Correct answer: B. course 4. Most TV ______________ don't like the new program. A. viewers B. watchers C. lookers D. audience - Correct answer: A. viewers 5.This information is outdated.You _______ search for the most updated information. A.must B.mustn't C.should D.shouldn't - Correct answer: C.should 6._______________ I don't understand much about Xoan singing, I still like it. A.Because B.If C.Although D.When - Correct answer: C.Although 7.Let's take this road.It is ___________way to the city. A.shorter B.short C.the shortest D.a shortest - Correct answer: C.the shortest 8.She was _______that she always came top of the class. A.so clever B.too clever C.such clever D.clever enough - Correct answer: A.so clever 9.It _ ___ that the weather will be better tomorrow. A.was said B.to be said C.is said D.being said - Correct answer: C.is said 10.Marry is wearing a ___________ T-shirt and green shorts. A.blue cotton beautiful B.beautiful blue cotton C.cotton blue beautiful D.beautiful cotton blue - Correct answer: B.beautiful blue cotton 11.I have just ___________an appointment with my dentist. A.taken B.made C.done D.given - Correct answer: B.made 12.El Nino was first noticed by the fishermen who _______ Spanish ports in the Pacific in the $17^{th}$ century. A.went on B.turn on C.came from D.looked after - Correct answer: A.went on 13.I wish he ______________ more time now to help you with your lesson. A.would have B.had had C.had D.have - Correct answer: A.would have 14.People can become very ________ when they are stuck in traffic for a long time. A.nervous B.stressful C.bad-tempered D.pressed - Correct answer: C.bad-tempered 15.Nga and Huong are attending their friend's wedding party. Huong:"What a nice ring you are wearing today, Nga!" Nga:"_______" A.Don't mention it.B.I'm sorry to hear that.C.Thanks, it's nice of you to say so.D.Have a go, please. Correct Answer:C.Thanks, it's nice of you to say so. Part III: I'm sorry but there seems to be an error in your request as it cuts off at "Identify the mistake by". Could you please provide me with more details or complete your question?