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题目
题型:同步题难度:来源:
Do you think  ____  life on Mars?  [     ]
A. it exists    
B. there exists  
C. it is existed    
D. there is existed
答案
B
核心考点
试题【Do you think  ____  life on Mars?  [     ]A. it exists    B. there exists  C. it】;主要考察你对一般现在时等知识点的理解。[详细]
举一反三
To have a family reunion dinner at a restaurant, you need to   reserve the restaurant and select
dishes on the menu months    before it,____?    [     ]
A. don"t you                            
B. didn"t you    
C. mustn"t you                            
D. needn"t you
题型:同步题难度:| 查看答案
We live day by day, but in the great things, the time of days and weeks____ so small that a day
is unimportant.      [     ]
A. is            
B. are          
C. has been    
D. have been
题型:同步题难度:| 查看答案
Children under sixteen are not permitted to see such kind of  films as _____ bad for their mental
development.   [     ]
A. was            
B. were        
C. is            
D. are
题型:同步题难度:| 查看答案
Nowadays,  the iron and steel industry _____ the key link  in socialist production.   [     ]
A. is                
B. are          
C. was         
D. were
题型:同步题难度:| 查看答案
_____ not only you but also Jack going to China nextweek?    [     ]
A. Are              
B. Is            
C. Were        
D. Was
题型:同步题难度:| 查看答案
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