1.
He was selected for the job because he has very good command on English.

2.
By the end of this century, scientists surely have discovered a cure for cancer.

3.
The popularity of the novels of Prem Chand, though they are full of sad and painful incidents, lies in the fact that they end with happiness.

4.
The gangsters have taken shelter at the old house last month after the police ordered their arrest.

5.
Evidently very much people are involved in the new scheme implementation.