A. what to work it out
B. how to work it out
C. how to work out it
D. what to work out it

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

A. how can he use                        
B. how to use          
C. how he use                            
D. how to using

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

A. travel                      
B. travels      
C. traveled                    
D. traveling

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

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,

A. it's  
B. that's  
C. this is    
D. they're

A. what wrong is
B. what is wrong
C. what wrong was
D. what was wrong