题目内容

15．When the teacher came into the classroom，the studentswere talking（talk） freely．

分析 当老师进入教室的时候，学生们在自由谈话．

解答 答案：were talking．
根据when引导的时间状语从句用了一般过去时，判断设空处的动作在过去某个时刻，即"老师进入教室时"正在进行着，且动作在一段时间内持续进行，所以用过去进行时，过去进行时的构成是：主语+was/were+动词的现在分词，主语是复数名词，所以be动词用were，故填were talking．

点评 本题考查用所给单词的适当形式填空，首先要根据语境明确句意，然后再根据相关语法对所给单词在形式上做出正确的变化．

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根据短文内容，选择最佳答案．                                          
41．The homework the teacher gave her class was．B
A．to buy a gift                                    
B．to draw a picture            
C．to make a card                                    
D．to write a letter to somebody
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C．a hand                        
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C．sat quietly            
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