In safari parks, which wild animals roam freely, visitors are forbidden to get out of their cars

My fingers were injured ________ my sister had to write the note for me.

He never works_______ he gains all the prizes.

AIDS can be transmitted by practicing unsafe sex and receive tainted blood from one who is already infected.

The girls were sorry to had missed the signers when they arrived at the airport.

There are none young single people living in this town – only old people and young families.

I never take an umbrella_______ it's raining heavily.

Public health experts say the money one spends avoiding illness is less than the cost to be sick.

Dinosaurs are traditionally classified as cold-blooded reptiles, but recent evidence based on eating habits, posture, and skeletal structural suggests some may have been warm-blooded

In the 1800’s botanist Asa Gray worked to describe and classifying the plants found in North America.

Although there are new drugs on the market, deaths from malaria are being increasing in some parts of the world.

It’s not worth to spend money on things like cheap clothes.

Many of the population in the rural areas is composed of manual workers.

Of the two lectures, the first was by far the best, partly because t person who to delivered it had such a dynamic style.

The teacher taught her students to look careful to the left and the right at least three times before crossing the highway.

Choose the word or phrase that can substitute for the underlined word:

My other pursuits include listening to music, reading and gardening.

After talking in Copenhagen yesterday, the secretary of state returning to Washington.

Our nervous system has over ten billions nerve cells in a network covering every inch of our skin and organs .

When radio programs became popular, approximately around 1925, many people stopped attending movies

I like bananas, _______ my brother doesn’t/

If a person were to look up from the bottom of a deep well, he will be able to see stars in the middle of the day .