The problem is too difficult.  Can you show me______?          
[     ]

A. how can l work it out            
B. how I can work it out          
C. how to work out it              
D. what I can work it out

The math problem is too difficult. Can you show me _____?              
[     ]
A. what to work it out
B. how to work it out
C. how to work out it
D. what to work out it
Kathy didn't know _____ or not.        
[     ]
A. if her mother liked animals
B. her mother whether liked animals
C. whether did her mother like animals
D. whether her mother liked animals
Mike is learning _______ a computer.          
[     ]
A. how can he use                        
B. how to use          
C. how he use                            
D. how to using
—Could you Tell me __________?        
—Because I want to help the people there.          
[     ]
A. why do you go to Tibet          
B. why did you go to Tibet          
C. why are you going to Tibet          
D. why you are going to Tibet
My physics teacher said that light _______ faster than sound.      
[     ]
A. travel                      
B. travels      
C. traveled                    
D. traveling
-Do you know __________ this weekend?
-We plan to visit the Science Museum.
[     ]
A. what we are going to do
B. what are we going to do
C. what we were going to do
D. what were we going to do
将下列句子改为同义句。
1. Do you know how I can get to the hospital?
    Do you know ______ _____ _____ to the hospital?
2. She was very excited at the news. She couldn't say a word.
    She was _____ excited at the news_____ _____ a word.
3. It took him three days to go over his lessons.
    He______ three days____ _____ over his lessons.
4. Mother allows me to go out before 9 o'clock at night.
    I ______ _______ _______ ______ out before 9 o'clock at night.
5. You are really nice. You help me a lot.
   ______ really nice____ _____ to  help me a lot,
—Can he work out the maths problem?
—I think ______ hard for him to work it out.
[     ]
A. it's  
B. that's  
C. this is    
D. they're
My friend wanted to know _____ with his new car.            
[     ]
A. what wrong is
B. what is wrong
C. what wrong was
D. what was wrong
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