三、改錯(cuò)題(本大題共12小題，每小題1分，共12分)��

　　Correct one error in each of the following sentences.��

　　49. Linguistics is a scientific study of the language.��

　　50. I'm sorry I don't know when he comes. I'll tell you about it as soon as he comes.��

　　51. Can the ship get seen on the horizon?��

　　52. May there be life on Mars?��

　　53. Having missed the final examination, the teacher gave me a failing grade.��

　　54. Take it easy. You know the effect of the drug will wear off four hours later.��

　　55. It is a fact that I almost drowned makes me very careful about water safety whenever I go.��

　　56. When a pearl is cut in half and examined under a microscope, but its layers can be seen.��

　　57. He denied seeing the murder suspect, that turned out to be true.��

　　58. Late the son has been staying out lately.��

　　59. No sooner he had asked the question than the answer came to him.��

　　60. — Maggie had a wonderful time at the party.��

　　— So had she and so did I.��

　　四、改寫句子(本大題共12小題，每小題2分，共24分)��

　　Rewrite the following sentences as required.��

　　61. Using an intensifier:��

　　No one on the committee supported my plan.��

　　62. Using a question tag:��

　　Everybody knows what he has to do.��

　　63. Using a proper modal auxiliary:��

　　It is possible that the chair will accept your proposal if you put it in the right way.��

　　64. Using a non-finite form:��

　　She stood up so that she could be seen better.��

　　65. Using a relative clause:��

　　My boss is an incredibly boring person. His predecessor was not a boring person at all.��

　　66. Using a disjunct:��

　　It is natural that she will take after her mother.��

　　67. Using an adjunct:��

　　He ran away. He is afraid to be seen.��

　　68. Using a relative clause:��

　　This is the only one of the many houses here. This was destroyed by the earthquake.��

　　69. Using passive voice:��

　　I don't mind you criticizing me.��

　　70. Using extraposition:��

　　You will feel listening to him talk boring.��

　　71. Using discontinuity:��

　　He is the only student who applies for financial aid in this school.��

　　72. Using an appropriate cohesive device:��

　　I learned to speak English early in life. I had to learn English early in life.��

　　五、簡(jiǎn)答題(本大題共2小題，每小題4分，共8分)��

　　Answer the following questions.��

　　73. If tense is related to time, what is aspect related to?��

　　74. Explain the three principles of concord with examples.��