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45. He suggested that Lan should take part in the English speaking contest.
46. I wish the teacher weren't going to give us an exam tomorrow.
47. Lucie is the tallest member in the class.
48. The more difficult the games are, the more excited the children are.
49. In spite of not having finished the paper, he went to sleep.
50. If we don't protect wildlife now, there will be nothing left for our future generations.
51. Mr.Nguyen asked his wife what their children were doing in the room.
52. Your mother often gets up early, doesn't she
53. Unless she works harder, she will lose her job.
54. It takes her four hours to do her homework every day.
55. It is the first time she has read this book.