The prisoner escaped from the prison yesterday．

The explosion of the plane caused more than one hundred deaths．

Do you know something about Theory of Relativity?

This is a personal problem that you should not refer to．

We will graduate from middle school in two years’ time．

The window was partly broken in the accident．

What we want in the production is not only quantity but also quality．

He will buy some new books to replace the old ones on the shelf．

The products from the factory are exported to many countries．

As a result of careless driving, many people were killed in the accident．