题目

71. With the exam __________ (approach), all the students fixed their attention on their study. 72. After a whole day’s work, I still had some _________ (write) exercises __________(leave) undone. 73. Is there any difference between ___________ (write) English and_________(speak) English? 74. His _____________(puzzle) expression suggested that he was in the dark about the whole thing. 75. Our country __________ greatly ____________(change) over the centuries. 76. The students said that they ______________(not learn) the word before. 77. There ___________(be) a desk, two chairs and two beds in the room upstairs. 78. She ___________(act) out the wronged lover to make him _________________(feel) guilty. 79. More than one thousand workers __________(employ) in the factory his year. 80. In the morning the man was made _______________(clean) the room. 答案：71. approaching   72. written  73. written; spoken   74. puzzled  75. has; changed  76. had not learned 77. is   78. acted  79. have been employed   80. to clean

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