A professor of economy and history at our university developed a new theory of the relationship between historical events and financial crises.

There are many different ways of comparing the economy of one nation with those of another

You can send letters from Hongkong_______ by Suez or by Canada.

When the children realized that they were by themselves in the dark, they became really frightening

Because of their color and shape, seahorses blend so well with the seaweed in which they live that is almost impossible to see themselves.

In my judgment, I think Hem is the best physicist among the scientists of the SEA region

A pharmacist’s ethical standards have to be high because he is entrusted to the storage and distribution of  dangerous drugs

Early balloonists remained aloft in the air for relatively short periods

The journalist has not finished the article on the negotiation already

You are 200 kilometers far from me. I would visit you more often if you wouldn’t live so far away.

The temperature drops_______ the sun sets.

When actively hunting, a dolphin sends out transmitting about five signals every second

Karen hasn’t decided still if she wants to run for the Presidency again this year.

When she got the news from her family, she could not do anything, ________ to cry.

To remove stains from permanent press clothing, carefully soaking in cold water before washing with a regular detergent.

The coal is the world’s most abundant fossil fuel.

Some of us have to study their lessons more carefully if we expect to pass this examination

Before she moved to California, with its much milder climate, Betty found that her health improved considerably

The Dave Brubek Quartet, one of the most popular jazz bands of the 1950s, had a particularly loyal following on campuses college.

Every student must make up their own study list of the classes he is going to take at the beginning of the quarter.

It was in 1971 that transatlantic supersonic transportation became commercially availability