Many birds will, in the course of their migrations, flying more than three thousand miles to reach their winter homes.

The fossil remains of much extinct mammals have found in the tarpits at Rancho La Brea Los Angeles

Most bats roos crevices, caves, or buildingday and are active at night or twilight.

Mark the letter A, B, C, or D to indicate the underlined part that needs correction in each of the following questions: 

Unless you don’t give up smoking you run the risk of becoming quite ill.

A thunder usually follows lightning by five seconds for every mile between flash and the observer.

Choose the word or phrase among A, B, Cor D that best fits the blank space :
Meal times are generally set aside for periods of friendly get-togethers, and evenings often consider the crew settling down to watch the ……….DVD movies.

Chicago’s Sears Tower, now the tallest building in the world, rises 1,522 feet from the ground to top of it antenna.

Either humans and animals learn by experience, and what is learned influences planning and carrying out of simple actions.

Mr. Smith is going to buy a new car, doesn’t he?

The oxygen in the air we breathe has no tasted, smell, color

Like the area in and on the Rocky Mountains, the Western Basins and Plateaus region of the United States offers much for the touris

Choose the best option:

The plants which ................ in the living room need a lot of water.

Petroleum is composed of a complex mix of Hydrogen and Carbon

Scuba diving is usually carried out in the ocean in that people can explore underwater world.

Transfer taxes are imposed on sell exchange of stocks and bonds

Gothic Revival architecture has several basic characteristics that distinguish it othe nineteenth-century architectural styles.

A: “May I take this CD to my room, please?” B: “_________________”.

A calorie is the quantity of heat required to rise gallon of water one degree centigrade at one atmospheric pressure.

Choose the word which has a different stress pattern from the others.

Short-wave radios can receive and transmit signals are used by pilots, the police, and amateur operator.

Jessamyn West’s first and most famous novel, the friendly persuasion, describes life of the Quaker farmed family in the mid-1800’s