People in this region cultivate mainly rice and vegetables.

While the sun is the major source of ultraviolet rays, it is not the source only

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

You can see .................. moon in .................. sky at .................. nigh. 

He went to ……….. England and bought ...........house in .........London. 

Because there was no evidence against himself, Slade was released

Before the invention of the printing press, books have been all printed by hand.

Had we known the traffic would be so bad, we did not drive back from work so early.

Playing for the national team for the first time was an forgot experience for Hong Son

Lunar eclipses happen only if the Moon is full, but they do not occur at an every full Moon.

It is possible for local wildlife to coexist ...... industry.

Although the Red Cross accepts blood from most donors, the nurse will not let you to give blood if you have just had a cold.

If we hadn’t got lost, we ____arrived much earlier. 

The common field mouse is about four inches long and has a three – inched tail.

A City University Professor reported that he discovers a vaccine which has been 80 % effective in reducing the instances of tooth decay among small children.

The winter storm that raced through the area for the last two day moved east today.

Mr. Smith is going to buy a new Japanese car, doesn’t he ?

Nobody was watching, so the little boy took the packet of sweets from the shelf and putting it in his pocket.

The world would look eerie different if human eyes were sensitive to infrared radiation.

What did you eat for........... breakfast this morning. 

Floods, earthquakes and other natural disaster happen all over the world, causing death and material damage.