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Practise the following according to the model, watch the change in meaning.

M o d e l: There was nothing to do there. (I)
There was nothing( for me to do there).

1. I think it will be dangerous( to go) to the Crimea in this old car. (we) 2. He has reached the age when it is necessary(to think) of the future. (he) 3. The idea was not clear enough(to understand) (the young people). 4. My advice is(to keep)
away from colds, (you) 5. There was nothing( to argue about) (they). 6. It was a reasonable remark(to make). (she) 7. The best thing is(to send) them a telegram.
(I) 8. It was an expensive present( to buy). (she) 9. There was no reason(To get worried). (I) 10. Here's an example(to follow). (everybody)