Arrange personal constructions . 1 . They realize the situation has
Arrange personal constructions .
1 . They realize the situation has become dangerous.
2. People know the earth rotates round the sun.
3.they report the storm started all a sudden

1. They situation is realized to have become dangerous.
2. The Earth is known to rotate round the Sun.
3. The storm is reported to have started all a sudden.

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