A. will flying     
B. are flying    
C. fly

A. plans, skateboard            
B. planned, skateboarding
C. planning, skateboarding        
D. planning, skateboard

A. babysit, you               
B. babysitting, your
C. babysiting, you             
D. babysitting, you

A. go                      
B. went    
C. am going                 
D. have been     

1. I hear you _____ (go) to Tibet for working next year. Can I go with you?
2. She was _____ (interest) in the places of _____ (interest) in China.
3. It _____ (take) me half an hour _____ (take) the photos last vacation.
4. I planned _____ (take) walks with his lovely dog after supper.
5. On the morning of my birthday. I can't wait _____ (open) the presents.
6.  _____ (sleep) a lot is good for your health.
7. I can't stand _____ (go) camping or _____ (hike) alone. It's too dangerous.
8. I _____ (be) a professional doctor after graduation from college.
9. How often _____ your parents _____ (exercise) on weekends?
10. Hurry up! Your sister _____ (wait) for you to go surfing.

1. Mr Johnson likes _____  (watch) TV in the evening.
2. He_____  (go) fishing yesterday.
3. What _____ you_____ (do) this weekend?
4. Listen! Someone_____ (sing) in the next room.
5. Mrs Beet_____ (drive) very fast to work every day.

A. babysiting      
B. babysit    
C. babysitting   
D. babysat