根据句子意思完成单词(共10空，每题1分；计10分)
You can’t i_________ what life will be like in 50 years’ time?
--The old man is so wise and he must read many different kinds of books.
---Yes, He knows everything and I think he is k_________.
The young man was full of energy. And after having a short rest, he c_________ working.
Parents must pay more a_________ to children. Also children should learn to thank their parents.
Two years ago, Mr Green p_________food and clothes for his big family.
When the ice is h_________，it turns into water.
Sending m_________to your friends instead of writing to them helps save a lot of your time.
Without my p________ , don’t touch my things.
His parents were satisfied with him because he s_________ in passing the difficult exam.
Both of the businessmen felt sorry as their talk b_________off without an agreement.