A. is
B. was
C. are
D. were

1. All the students are in the park now. ( yesterday)
    __________________________________________________
2. They walk in the forest and pick some flowers. (yesterday)
    __________________________________________________
3. I notice a beautiful flower. (just now)
    __________________________________________________
4. I do my homework and clean my bedroom. (last night)
    __________________________________________________
5. Lucy often plays the piano every day. ( just now)
    __________________________________________________

A. lost
B. had have
C. bought
D. has lost

1. She spent 20 yuan on the dictionary. 
    She ________ 20 yuan for the dictionary.
2. Peter does well in Chinese.
    Peter ________ ________ ________ Chinese.
3. The old man has been dead for 10 years.
    It's 10 years ________ the old man ________.
4. Does Mary like dancing?Can you tell me?
    Can you tell me ________ Mary ________ dancing?
5. How much is it?
    What's the ________ of it?

[     ]

A. wrote
B. writes
C. write
D. to write

[     ]

A. has been to
B. was gone to
C. went to
D. has gone to

A. go
B. am going
C. has gone
D. went

A. did；finish    
B. have；been finishing
C. will；finish
D. could；finish