句型转换。

1. They write the words on the blackboard. (对划线部分提问)

______ ______ they the ______ words?

2. I save the document next. (对划线部分提问)

______ ______ you ______ next?

3. The computer is behind you. (对划线部分提问)

______ ______ the computer?

4. They often do their homework on their computers. (变为否定句)

They ______ often ______ their homework on their computers.

5. the,  keyboard,  use,  these,  to,  words,  write (. )(连词成句)

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论述新中国成立以来我国学校教育制度的变革，你能从中得到什么经验，这对我国当前学制改革有哪些重要启示。