The situation changed all of a sudden, and we couldn't do anything.

She has an innocent personality and is loved by everyone.

Her innocent personality captivates everyone.

He has a deep interest in astronomy.

An albatross can fly over the sea for a long time.

The study of inversion tectonics is an important field in geology.

In geology, the study of inversion tectonics plays an important role.

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He is reading a book about ancient India.