43. Which transition word can be used between Sentences 4 and 5?
(A) Whereas.
(B) Unless.
(C) Because.
(D) Although.

39. (A) transport(B) transmit(C) transfer(D) transform

40. (A) into(B) by(C) on(D) at

41. Which of the following topics can best describe the paragraph?(A) The natural environment of my hometown.(B) The four seasons of my hometown.(C) The volcanic mountains in my hometown.(D) The mountain wildlife in my hometown.

42. Which of the sentences is NOT relevant to the topic?(A) Sentence 3.(B) Sentence 4.(C) Sentence 6.(D) Sentence 7.

44. Which of the following topics can best describe the paragraph?(A) An amazing story behind different drinking habits.(B) Low-calorie drinks as an effective way to weight-losing.(C) Fighting against low-calorie drinks for food satisfaction.(D) Disadvantages of sugary drinks for fighting against obesity.

45. What is the function of Sentences 2, 4, and 6?(A) To explain different reasons for studying in a foreign country.(B) To analyze the different plans of studying abroad.(C) To summarize important experiences of studying abroad.(D) To provide suggestions of choosing a foreign school.

46. Which of the sentences is appropriate for Sentence 9 as the concluding sentence ofthe paragraph?(A) For this reason, they might have some troubles with having conversations with foreigners.(B) Thus, lots of opportunities will be provided for those who want to make foreign friends.(C) Therefore, to study in a foreign country is an experience like no other.(D) To conclude, people can broaden their horizons by visiting foreign residential areas.

47. What is the main idea of the paragraph?(A) Recycling organic waste is never painful.(B) Recycling different objects is challenging.(C) Procedures for recycling are dangerous.(D) Plastics for recycling has significant effects on our environment.

48. Which transition word can be used between Sentences 5 and 6?(A) Therefore.(B) In contrast.(C) On the other hand.(D) What's more.

49. What is the purpose of the paragraph?(A) To explain why the product is launched.(B) To justify the reasons of buying the device.(C) To analyze the pros and cons of the device.(D) To introduce where Alexa is available.