I'm short, _    ?

Before she moved here, Arlene had been president of the organization since four years.

The dentist gave me a check-up and then telling me I needed two teeth.

George Washington, his portrait appears on the quarter coin and the dollar bill, served two terms as president.

Among the parameters that determine whether an environment is suitably for life as we know are temperature, water availability, and oxygen content.

The symptoms of diabetes in the early stages are too slight that people don’t notice them

................ swimming is .................. good sport. 

Psychologists at the University of Kansas has studied the effects of the color of a room on people’s behaviors

Mel's grandmother is in........... hospital, so we went to visit her ............ last night. 

If the project is finished on time, the federal government won’t award the company further contracts.

She feels lonely because she doesn’t know many people there. She wishes she ____ more people. 

There was a very interesting news on the radio this morning about the earthquake in Italy.

To assure the safely of those workers who must handle radioactive materials, the employer should not leave them enter contaminated areas without protective clothing.

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

In a person’s lifetime, the brain can store 100 trillion pieces of informations.

Choose the correct answer to complete the sentence. "We need to cut down on the ________ of carbon dioxide into the atmosphere."

I’m so tired; I’m finding it difficult in keeping my mind on my work.

The number 8.5 is an example of a “mixed number” because it is composing of an integer and a fraction.

All almost the electricity for industrial use comes from large generators driven by steam turbines.

The number of students attend the class dwindled until only two remained.

He had so a difficult exercise that he couldn’t do it .