do we suspect that this district is rich in mineral resources.

I have found some articles ___ the harmful effects of drinking.

How does stress at work affect your life?

Nowadays more and more students seem_____ to help their classmates who have difficulties in studies.

This plant was severely punished by the government for_____ pollutant into water.

What can you do if you've noticed some of the signs of stress mentioned in the passage?

When the author wrote his first novel, _______.

The consultant suggested that he ____ a loan from the bank to finance his business.

Jenny was looking for a seat when, luckily, a man ___ and left.

John resigned and ___ his power to a young colleague.

This is the boy ___ has been highly praised.

The author gave up medicine because at that time _______.