When I came back , I realized that my camera had been disappear

Indiscriminately dumping of waste material and inadequate sewage treatment are two serious causes environmental pollution.

Despite the disappearance of  Mayan Empire, there are still Mayans in region that they once inhabited.

The pioneers raised com as their chief crop because they kept well in any season and could be used many ways.

When there are low sales, companies often decide developing new production

Nocturnal creatures, raccoons forage primarily at night and spend their days rest in their dens.

Genetic engineering is helping researchers unravel mysteries of previously incurable diseases so that they can get root causes and find cures

A film isn’t worth to watch, whatever its subject, unless it engages viewer’s mind and makes him think.

This floor doesn’t need no more wax; there’s plenty already .

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

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

Find the mistakes and correct

The peasant’s wife, who have been married four times, has just had her third baby

I’ll make some sandwiches before i’ll leave for the office the morning.

To be successful in an interview, you should control the feeling of pressure and make good impression on the interview

Successful farmers are experts not only in agriculture , but also in market , finance, and accounting 

Yogurt contains a higher percentage lactic acid than another fermented milks, and it is rich in B-complex vitamins.

As the marathon runner reached the half-way mark, he, being hot and was soaked with perspiration, stopped to rub himself down with towel.

Sue bought a CD player last week and she’s been listening music ever since then.

I prefer living in a nuclear family than a joint family.

Jim_______ to his girlfriend on the phone when I_______ in. 

Unexploded bombs buried deep in the ground have been found in the coteuc site opposite of the City Hall.