The computers are very important．They can ________ railways and fly aeroplanes and spaceships．

[　　]

A．operate

B．operating

C．operated

D．open

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科目：初中英語 來源：同步題 題型：句型轉(zhuǎn)換

句型轉(zhuǎn)換。
1. You look worried. What happened?  (改為同義句)  
    You look worried._________  _________  _________?
2. I disliked to take part in the sports at first. (改為同義句)  
    I _______  _______  ________take part in the sports at first.
3. She looks very happy.  (改為同義句)  
    She________  ________  _________very happy.
4. Where is he from? I don't know. (合并為一個(gè)句子)  
    I don't know______________________________.                                
5. Do you like playing the comput.er games? I wonder.（合并為一個(gè)句子）
    I wonder_______  _______  _______playing the computer games.

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