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41. In my opinion, wearing uniforms encourages students to be proud of their school.
42. The holiday was so disappointing that they decided to ask for giving money back.
43. If there is too much exhaust fume in the air, more and more people will cope with respiratory problems.
44. Do you know the name of the lecturer talking about natural disasters in the workshop two days ago?
45. When I called Jane last night, she was watching game show on television.
46. Anne took out the trash though it was not her job.
47. We stay at home instead of going to the theatre.
48. We must replace the loudspeakers since the current ones aren't satisfactory.
49. As Lena was unable to swim, she dind't want to go to the pool party.
50. An elephant which may live 70 years is the largest land mammal.
