—Look at the boy running on the ground. Is it David?        —It _____be him. I

 —Look at the boy running on the ground. Is it David?        —It _____be him. I

题型:同步题难度:来源:
 —Look at the boy running on the ground. Is it David?       
 —It _____be him. I saw him go to the teacher"s office just now.        [     ]

A. might    
B. could    
C. can"t    
D. mustn"t


答案
C
举一反三
—May I smoke here?       
—No , you _____. This is a no-smoking room.       [     ]
A. needn"t  
B. couldn"t  
C. mustn"t  
D. won"t
题型:同步题难度:| 查看答案
—_____ you turn down your radio , please?        
—Yes , I  can.        [     ]
A. May    
B. Need    
C. Must    
D. Can
题型:同步题难度:| 查看答案
—Whose book is this?
—It ____  be Linda"s. It has her name on it.      [     ]

A. can      
B. may      
C. must    
D. need

题型:同步题难度:| 查看答案
If the  traffic  light  is red,you _____cross the road.
It"s too dangerous.       [     ]

A. don"t    
B. needn"t  
C. mustn"t  
D. wouldn"t


题型:同步题难度:| 查看答案
句型转换1. I suppose they will have a picnic.(改为否定句)
I _________ suppose they _______ have a picnic.
2. When you are invited for 8 :00 ,you should come later.   (同义句)    
When you are invited for 8 :00, you ______ _______ ______come later.
3. Miss Gao asked us to clean the classroom. (改为被动语态)
We_______ _______ to clean the classroom by Miss Gao.
4. Students can"t take magazines out of the reading room.(改为被动语态)
Magazines_______ _______ _______ _______of the reading room.
5. Jim was made to clean his room by his mother justnow.(改为主动语态)
Jim"s mother________ Jim_______ his room just now.  
题型:同步题难度:| 查看答案
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