Everyone in our class _____ to the Great Wall for vacation.
[     ]
A. go
B. are going
C. is going
D. to go
-Are Bill and Mike at home now?
-Yes. They _____ their mom cook. They often _____ their mom do housework.
[     ]
A. help; are helping
B. are helping; help
C. helps; is helping
D. is helping;helps
I must leave now. My parent _____ for me to have dinner.
[     ]
A. are waiting
B. is waiting
C. waits
D. wait
—Where is Sam?          
—He ________ in the river.        

A. swims  
B. are swimming
C. is swimming
D. is swiming

He ______ John now.
[     ]
A. is talking  
B. talking with  
C. talks with  
D. is talking with
—Where is Grace?  
—She ______ a book in the garden?  
[     ]
A. reads              
B. looks          
C. is reading      
D. is looking
—May I speak to Mr. Morgan?  
—Sorry. He ______ on the farm.    
[     ]
A. works          
B. work          
C. is working      
D. to work
—Where is Sally, Jack?
—She _________. She wants to be a swimming player.
[     ]

A. walks      
B. is swimming    
C. swims  
D. is sleeping

Anna often _____ at 10 o’clock at night, but this evening she _____ on the computer now.
A. sleeps, plays          
B. is sleeping, plays      
C. sleeps, is playing
Look! Many birds _____ in the sky (天空).
[     ]
A. fly
B. are flying
C. flies
D. is flying
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