___ 'Paradise Lost' is an epic.
The 'Paradise Lost' is an epic.
He abstained ___ smoking.
He abstained from smoking.
I watched the film ___ TV.
I watched the film on TV.
Cattle ___ grazing in the field.
Cattle are grazing in the field.
The memoranda ___ signed in the field.
The memoranda were signed in the field.
Water is an important element of the environment. Water is essential for human, animal and plant life. Pure water is safe for us but contaminated water is harmful. Water can be polluted in various ways. Drinking contaminated water can make us sick.