1 . This is not a copy but an ______（最初的）painting by Picasso.

2 . They accepted their advice and replaced the o_________   plan with a more effective and practical one.

3 . I think you should go back to your ________ (原先的，最初的) plan. （根据汉语提示单词拼写）

4 . Teachers in the kindergarten help the children form the good habit of keeping tidy by asking them to put their tools back to the ______ (原来的) places.

5 . Our o__________ (原先的) plan was to go to Spain, but it was too expensive.

6 . Can you give me the __________(原件) of your report? I can't read this copy.

7 . I think you should go back to your ______(最初的)plan.

8 . This is a copy of the famous picture, and the _______________(原来的) work is now in the British Museum.

9 . If you want to understand the writer’s feeling, you need to read the ______ (origin) version.

10 . A second study was performed in 1973 to update the __________ (origin) report.