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题目
题型:同步题难度:来源:
Both his parents look sad. Maybe they           what"s happened to him.[      ]
A. knew    
B. have known    
C. must know    
D. will know
答案
B
核心考点
试题【Both his parents look sad. Maybe they           what"s happened to him.[      ]】;主要考察你对现在完成时等知识点的理解。[详细]
举一反三
Miss Green isn"t in the office. She           to the library.[     ]
A. has gone    
B. went      
C. will go      
D. has been
题型:同步题难度:| 查看答案
My parents           Shandong for ten years.[     ]
A. have been in            
B. have been to
C. have gone to            
D. have been
题型:同步题难度:| 查看答案
—Long time no see, David.
—I have            to Shanghai for my vacation.[     ]
A. grown
B. lived
C. been
D. gone
题型:同步题难度:| 查看答案
We ______ each other since the year of 2008.[     ]
A. have got to know  
B. have known  
C. got to know    
D. knew
题型:同步题难度:| 查看答案
My father _______ glasses for more than three years.[     ]
A. wear         
B. wears        
C. has worn        
D. is wearing
题型:同步题难度:| 查看答案
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