You’d better write the book in simple English the children aged 10-12 can read and understand it easily.
_________ caused the accident is still a mystery.
The sun began to rise in the sky, ________ the mountain in golden light.
I wonder whether the teacher is one of those who _______ to the mountain village to help the children there.
The book tells stories of the earthquake through the eyes of those _______ lives were affected.
No sooner ______ at the airport than she was surrounded by many reporters.