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

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.

The workers went on strikes because of they thought their wages were low.

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.

Although Nam worked very hard, but he didn’t pass the final exam.

Not until he got home he realized he had forgotten to give her the present.

Little he knows about the surprise that awaited him.

Folklore consists of the beliefs, customs, traditions, and telling stories that people pass from generation to generation.

The student must have her assessment form fill in by the examiner during the oral exam.

Should you mind telling me the way to the nearest restaurant?

Each of the beautiful cars in the shop was quickly sold to their owner.

The Oxford English Dictionary is well known for including many different meanings of words and to give real examples.

He passed the exams with high scores, that made his parents happy.

After the police had tried unsuccessfully to determine to who the car belonged, they towed it to the station.

The assumption that smoking has bad effects on our health have been proved.

Had it not been for you help me, I wouldn't have succeeded.

The company did not want to hire a man that his experiment was so limited.

The master of ceremonies announced in a loud and clear voice and told that the dinner would be late due to unforseen circumstances.

For the first time in the history of the country, the person which was recommended by the president to replace a retiring justice on the Supreme Court is a woman.

Regarding as one of the leading figures in the development of the short story, O Henry is the author of many well- known American novels.

Chemical engineering is based in the principles of physics, chemistry, and mathematics.