Don’t him. He is busy writing an essay.

Whose bag is this—I’m not sure. It be Flora’s.

The river ________ at least 50 meters in width, but the ten-year-old boy can swim across it within minutes.

Lesson Ten is ____________ in Book Two .

It was not until the 18th century that manrealized that the whole of the brain was involved in the working of the mind，