Bats use echoes of their own high – frequency sounds to detect food and avoiding obstacles.

Anyone reproducing copyrighted works without permission of the holders of the copyrights are  breaking the law

Staying in a hotel costs ______ renting a room in a dormitory for a week.

Protecting Florida’s coral reefs is difficult because some of the corals are very fragile even the touch of a diver’s hand can kill it.

The first things a new international student must do include renting an apartment, registering for classes, and to get to know the city.

Choose the word or phrase that can substitute for the underlined word. My other pursuits include listening to music, reading and gardening.

Glucose does not have to be digested, _______ it can be put directly into the bloodstream.

Jim didn’t have a house and a car, for he was jobless for a long time

What about the recreational reading you are supposed to get into the habit to do on a regular basis ?

Anyone interested in the use of computers can learn much if you have access to a personal computer.

Now that they have successfully passed the TOEFL, the students were ready to begin their classes at the University.

Although Kate saw no link between the two crimes, but she thought that there was only one murder

After searching for evidence in the house, the police concluded that the thief must have come in through the window and stole the property while the family was asleep.

In the 1920s, Tulsa had a higher number of millionaire than any other U.S. city

In purchasing a winter coat, it is very important for trying it on with heavy clothing underneath

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

Any material that is attractive by a magnet is by definition “magnetic”.

It was him who came running into the classroom with the news

Water ice, and snow play a role in affecting an Earth’s rotation .

Commercially honey is heated and filtered in order to stabilize and clarity it

Some conifers, that are tree that have cones, are able to thrive on poor, thin soil