题目

71.Last week, the boss and I, who r             our company, went to an exhibition in Xiamen. 72.What a pleasant ____________(阴凉处) this tree gives us! 73.When she comes across new words in reading, she likes r           to the dictionary. 74.He is thinking of ______________(扩展) his business. 75.I am c          to admire the mountains from below. 76.We have a very communicative _____________(方法) to teaching languages. 77.We were able to c              the students of the necessity for wider reading. 78.These birds are rare and ____________(因此) we should protect them. 79.The fine engine makes only a w            when running at full speed. 80.It is _____________(值得) to listen to the lecture given by Professor Smith. 答案：71.represented 72.shade 73.referring 74.expanding 75.content 76.approach 77.convince 78.therefore 79.whisper 80.worthwhile

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