t is a common knowledge that Douglas intends to retire at the end of season

Sports that people often watch are __________.

The basic law of addition, subtraction, multiplication and division are taught to all elementary school students

From 1905 to 1920, American novelist Edith Wharton was at the height of writing career, publishing of her three most famous novels.

Today’s nuclear fission fuels are the remnants of which used to be a much more mixture of radioactive and fissionable materials two billion years ago and earlier.

The most of the energy used in our homes and factories is generated coal, oil and natural gas

In its pure State, aluminum is a weak metal, but when combined elements such as copper or magnesium, it is formed alloys of great strength

Because of it consists only of relatively short strand of DNA protected by a shell of Protein, a virus cannot eat or reproduce by it self.

The plans the building complex were describing by the architect

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.

Inventing by Roger Bacon, the magnifying glass led to the creation of scientific tools which have produced immeasurable scientific progress

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

The bite of the Black Widow spider can be very inflammatory to the affected nerves hospitalization may be required.

Humus is formed during soil microorganisms decompose animal and plant material usable elements by plants.

Engines used space shuttles are much larger and more strong than the ones used in planes

Despite the bad weather, he _______ get to the airport in time.

It’s a lovely old house, I agree, but can we afford moderning it?

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

He wasn't able to cope _____ the stresses and strains of the job.

Afterwards I’d read manual, I found I could use computer easily

Haywood Broun was a read widely newspaper columnist who wrote during1920’s and 1930’s