用括号内所给单词的适当形式填空。1. Have you _____ (do) anything to keep the water clean?2. Proje

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用括号内所给单词的适当形式填空。
1. Have you _____ (do) anything to keep the water clean?
2. Project Hope has built schools and _____ (library).
3. Our city _____ _____ (change) a lot since 2001.
4. The girl left the classroom without _____ (say) anything.
5. All of us want to know how _____ _____ (play) computer games.

答案

1. done 2. libraries 3. has changed 4. saying 5. to play

举一反三

He saw a girl           sandwiches in the shop when he came in.[     ]
A. to buy
B. buying
C. bought
D. buy

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用所给单词的适当形式填空。
1. Look at the book. It"s about a girl _____ (call) Alice.?
2. The girl was sitting by the river with a book. _____ (sudden) a white rabbit ran past her.
3. A cat was sitting in a tree and it was_____ (smile) at everyone.?
4. Shall I read the text once or_____ (two)??
5. Mr.Zhang has gone to America on _____ (busy).

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单句改错。
(     ) 1. They have come here for two weeks.
(     ) 2. How have you done with the boy?
(     ) 3. Several days late they got there by air.
(     ) 4. How many times have you been in Beijing?
(     ) 5. Let"s go to school together, will we?

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The boy was _____ in bed and reading a book. [ ]
A. lie
B. lying
C. liing
D. lay

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If the launch (发射) in 2005 is successful, China will be the third country _____ its astronauts into space
after Russia and the US.[     ]
A. send
B. sent
C. sending
D. to send

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