Some trees such as the Banksias need to be burned periodically so that the seeds would open and germinate.

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

People who exercise regularly are less likely to develop heart disease than is those who do not keep fit.

Abigail Adam’s letters to her husband present a graphic picture of the age which she lived.

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

Some of the agricultural practices used today is responsible for fostering desertification.

In the stock market, the fluctuations in Standard and Poor’s 500 Index does not always conform to Dow Jones Averages.

Americans annually import more than $3 billion worthy of Italian clothing jewelry, and shoes.

The top of the mountain covered with snow during winter

Most presidential candidates have their names print on the ballot in the New Hampshire primary election because it is customarily the first one in the nation, and winning it can give a good chance to be nominated by their parties.

Nutritionists recommend that foods from each of the four basic groups be eaten on a regularly daily basis

The weather in Dalat is neither too hot in summer________ too cold in winter.

Please send me information with regard of insurance policies available from your company.

Technology is define as the tools, skills, and methods that are necessary to produce goods

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

Allen’s not having finished his thesis did not discourage him from applying for other degree program

According to classical musical tradition, the term “sonata” is given to those works are written for solo piano or for solo wind or stringed instrument.

Anna needed some money, ________, she took a part-time job.

Flying is not only faster, _______ safer than traveling by car.

Some jellyfish make daily journeys from deep water to the surface and back, while others migrate horizontal.

The average cat sleeps  sixteen hours for a day in short intervals called ‘cat naps'.