If today is Sunday, we would have a lot of fun at the camping site.

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.

Abraham Lincoln was a good president and was self-educated, hard working and always told the truth.

My sister told me that she had met my teacher at the supermarket yesterday.

Aristotle, the famous Greek philosopher, believed that the brain was an organ that cooled a heart.

Although most species of small birds gather in groups at feeders provided by bird-watchers, the bright red cardinals usually appears alone or with its mate.

Society uses such human emotions as proud, shame, guilt, and fear to maintain itself.

Many languages used around the world they do not have a form of writing.

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

Tom said that he was trying to carry out some campaigns to protect environment and will encourage others to do so.

When precipitation occurs, some of it evaporates, some runs off the surface it strikes, and some sinking into the ground.

Some people often say that using cars is not as convenient than using motorbikes.

The mother asked her son if he would have the floor clean the day before.

There are many reasons why a particular species may become endangering.

Ralph wishes that he went to the bank this morning before he went to work.

I enjoyed talking to the people with that I met at the party last night.

A novel is a story long enough to fill a complete book, in that the characters and events are usually imaginary.

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

When a lion gets hungry, its manner changes and it becomes threatened.

Manufacturers may use food additives for preserving, to color, or to flavor, or to fortify foods.

The shopkeeper warned the boys don't learn their bicycles against his windows.