28. I was tired,……………………………I went to bed early last night. A. however B. although C. because D.so 29: Many people do not like climbing………………………. A. despite its danger B. since its danger C. although it is dangerous D. because it is dangerous 30: There is too much traffic in the city. ……………..…, the air is polluted. A. Therefore B. However C. But D. So 31. His eyes were……………………….bad that he couldn’t read the number plate of the car in front. A. such B. too C. so D. very 32. I couldn’t sleep last night ___________ the bar nearby played music so loudly. A. although B.so that C.while D.because 33. We arrived …………………….to have some coffee before class. A. enough early B. early enough C. too early D. early too 34. Cathy got up early…………….…., she did not catch the train. A. Therefore B. However C. Although D. So 35. The plane was half an hour late…………….I managed to come to the meeting in time. A. In spite B. Despite C. in spite of this D. all are correct 36. Lan is hungry………………she hasn't eaten anything all day. A. because B. if C. although D. so 37. ……………lots of difficulties, he ultimately succeeds in his project. A. Even though B. However C. Despite D. Because of 38. …………………her health is not good, she studies very hard. A. Because B. When C. If D. Although 39. My sister studied hard,…………………..she completed her examination successfully. A. although B. so C. because D. therefore 40. I chose to buy the house in District 9 ………………. avoid noise and pollution A. so that B. in order that C. so as to D. in order not 41. It‘s raining……………………… Mr. Nam has to go to work. A. Although B. So C. Therefore D. However 42………………..his financial problem, Mark bought a new motorbike. A. Although B. Because C. Despite D. Instead of