根据句意，用括号中所给词的正确形式填空，每空填一词。

1. The young man was charged with _______(break) into several computers.

2. The radio says there will be much _______(snow) next week.

3. Yang's great _______(achieve) in science go beyond what we have thought.

4. Scientists can't explain _______(appear) of dinosaurs correctly. They are trying their best to find the reason.

5. Are people who work till 10 o'clock in the evening more _______(energy) than those who stop at

   5 o'clock in the afternoon?