Collecting stamps, playing chess and to mount beautiful butterflies are derrick’s hobbies.

Air pollution, together with littering, are causing many problems in our large, industrial cities today.

The grass needs cutting, so let us have one of the men to take lawn-mower and do it.

The threat of being dismissed do not worry me any more because I have started my own business.

When mining for gold, you must first obtain the gold ore and then apart the gold from the ore.

Neither the Minister nor his colleagues has given an explanation for the chaos in the financial market last week.

To reduce pollution, we have to stop using many things that makes our life comfortable.

In July of 1861, Pat Garett killed Billy the Kid in a house close Fort Summer.

It is vitally important that she takes this medication night and morning.

It is interesting to compare the early stylized art forms of ancient civilizations to the modern abstract forms of art.

If they took their language lesson seriously, they would be able to communicate with the locals now.

Instead of calling off the meeting, maybe we can just put it over until next month.

Excavations in some villages on the east bank(A) of the Euphrates River have revealed(B) an ancient community that had been laying (C) under later (D) reconstructions of the city of Babylon.

I clearly remember to tell you about this before.

Did you say that you will have a lot of things to do the following week?

The most sensitive way to resolve a family problem is by open discussion.

Unlike the old one, this new copier can perform their functions in half the time.

Two weeks are plenty of time to finish the assignment.

Sex's education is instituted to help the student understandthe process of maturation, to eliminate anxieties related to development, to learn values, and to prevent disease.

It is time the government do something to help the unemployed to find some jobs.

You shouldn’t criticize him in front of his friends. It was insensitive of you.