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解题思路: 首先应注意"要求"的内容;二是要注意选词的准确;三是要注意各种句型的特殊点;四是要注意大小写和拼写的正确。
解题过程:
1.He and his wife have had dinner .
2.My mother has opened the window .
3.Helen is doing her homework .
4.The film had begun before he got to the cinema .
5.I was watching television in the living room when the telephone rang .