A. invite  
B. invites  
C. invited  
D. inviting

1. Can you ____ (help) me with my English?
2. Listen, who ____ (sing) an Swedish song?
3. They ____ (move) to Sydney last month?
4. Do you enjoy _____ (live) in the country?
5. You'd better ____ (not tell) him about it.
6. I ____ (be) more careful next time.
7. Summer ____ (come) after spring, do you know?
8. What ____ you ____ (do) an hour ago?
9. The best time ____ (visit) the farm is in autumn.
10. Thank you for ____ (teach) us so much.

A. plays  
B. playing  
C. do  
D. to playing 

1. I write to my good friend _____ (one) a month.
2. You look _____ (worry). What's wrong?
3. The children talked and laughed _____ (happy).
4. There may be some _____ (danger) animals there.
5. The fat woman is a _____ (visit).
6. The young man _____ (not need) any help.
7. What _____ he _____ (look) for?
8. You'd better _____ (go) out for a walk.
9. I'm hungry. I want _____ (buy) some cakes.
10. He usually _____ (watch) TV after supper.
11. _____ (be) there any orange in the shop?
12. I like _____ (swim), but she likes _____ (sing).

A. on;learning        
B. in;learning
C. on;learn            
D. in;to learn

1. The people in the store were ______ (crowd).
2. Thank you for ______ (give) me so much help.
3. I ______ (go) to the beaches last week and the beaches _____ (be) beautiful.
4. They _____ (enjoy) _____ (swim) in the pool last Sunday.
5. We didn't go _____ (shop)because it was very _____ (rain).

A. playing                
B. played          
C. plays                  
D. to play

A. to speak          
B. speaks         
C. speaking     
D. spoke

A. finish                
B. to finish         
C. finishing      
D. finished

A. to speak      
B. speak
C. speaks        
D. speaking