A. walking    
B. walk        
C. to walk        
D. walks

A. stop to working  
B. stop working      
C. to stop to work    
D. stop to work

1. It's seven o'clock. Let's start _____(have) dinner.
2. I met an old friend while _____(walk) on the street.
3. It's too _____(noise) here. Let's go somewhere quiet.
4. It's rude _____(stick) your chopsticks into your food.
5. Who is _____(young) student in your class?

A. to do
B. does
C. doing
D. do

A. invite; for              
B. invite; to  
C. inviting; for            
D. inviting; to

1.He started to learn the piano when he was five years old.(同义句)
He started _____ the piano at _____ _____ _____five.
2.He was first in the competition. (同义句)
He _____ _____ _____ _____in the competition.
3.I took part in the school football team last year.
I _____ _____the school foot ball team last year. (同义句)
_____ _____you _____ part in the school football team.(对划线部分提问)
4.He hiccupped for 69 years and 5 months. (对划线部分提问)
_____ _____ _____ he _____?
5.I was born in Beijing in 1988. (对划线部分提问)
_____ and _____ _____ you _____?

1. My father enjoys _____(surf) the Internet in the evening.
2. I think my _____(eat) habits are pretty good.
3. If you are _____(stress) out, you should have a good rest.
4. -What's wrong with you?
    -I have a bad _____(head).
5. I am planning _____(spend) time in the beautiful countryside.

A. went  
B. going  
C. go  
D. goes

A. receive, give  
B. give, receive  
C. receiving, give  
D. giving, receiving

A. help          
B. helping      
C. helps          
D. to help