摘要：23．D.考查动词的时态与语态.从会话可知.答话人是在解释他look worried and restless 的原因.因为他是在思考毕业论文的事.这是说话前的那个时刻正在发生的事情.故应用过去进行时描写正在进行的动作.
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根据要求完成句子
The meeting was(1)_________ because of the rain．
The old man couldn’t(2)_________ the machine noise and had to move away．(用put短语的正确的时态、语态完成句子)
1.Young students have（1）_________energy and we should （2）_________our efforts to attract them.（利用renew的相关词语填空）
2.The price of cars has decreased （1）__________________20% so the cars are increasing（2）_________numbers.（填介词）
3.The number of the students in the class in our school is below_________.（全国平均数）
4.One day,a hunter（1）_________a bear which would eat him.He was in danger.He（2）_________a good idea.He lay on the ground and pretended not to（3）_________.The bear passed away without hurting the hunter.（用come的短语填空）
5.The meeting was （1）_________because of the rain.
The old man couldn't（2）_________the machine noise and had to move away.（用put短语的正确的时态、语态完成句子）
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