Either . Anderson or Ms Wiggins are going to teach our class today 

Johnny used to be one of the most __________ athletes in my country. 

The skin receives nearly the third of blood pumped out by the heart.

Jessica hasn't made up her mind about where to go to school. She  ............  attend Duke University. She just doesn't know yet.

With an annual income of fifty thousand dollars a year, he can afford to give luxurious lives

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

There is not equivalent to this word in any other language.

Only when black bear has been spotted by the forest rangers will this portion of park be closed down.

There nothing more annoying than you are interrupted you are speaking .

Although there are more than 2,000 different variety of candy, many them are made from a basis boiled mixture of sugar, water, and corn syrup.

Wordsworth was one of the first European poet to consider the lowliest members of society to valid subjects for poetry.

Many animal species are totally colors blind, but the condition is very rare humans.

Air pollution, together with littering are causing many problems our large, industrialy cities today.

What are common known as “lead” pencil are not lead, but rather mixture of graph, clay and wax

The giant panda eats chiefly mainly bamboo shoots, though it also eats some other plants and occasionally feeds on and small rodents.

The knife _________we cut bread is very sharp. 

Marie Curie, a famous Polish physician, won he Nobel Prize when she discovered the radioactive metal Radium and Polonium.

The attribution human characteristics to animals or inanimate objects appears in the mythologies of many cultures is a literacy device called thropomorphism

They were 30 minutes later because their car ......... down.

Choose the best answer A, B, C or D: 

Solar energy is not only plentiful but also infinite. 

A fragrant plant has tiny sacs that makes and stores the substances that give it pleasant outdor.