Some bacteria are extremely harmful, but others are regular used in producing foods.
He walked slowly because of his injuring legs.
Heavy polluted factories will be closed down sooner or later.
Many species of wild animals would become extinction if people continued to cut down forests.
I have been working hardly for two weeks and now I feel like a rest.
His research for the thesis was more useful than her.
Ice is less denser than the liquid from which it is formed.
Of the two sisters , Linda is the most beautiful.
The weather is more hot than it was yesterday.
Most sedimentary rocks start forming when grains of clay, silt, or sandy settle in river valleys or on the bottoms of lakes and oceans.
Folklore consists of the beliefs, customs, traditions, and telling stories that people pass from generation to generation
Many places of history, scientific, cultural, or scenic importance have been designated national monuments.
More than half of the children in the district qualifies for reduced-price or free lunches.
Everybody want to buy a ticket for this live show.
Neither John nor his friends is going to the beach today.
Today the number of people enjoying winter sports are almost double that of twenty years ago.
The study of languages are very interesting.
The rubber farms will make a lot of money and give jobs to a great deal of people.
Many hundred years ago there were many villages and little towns in England.
The teacher said that Peter had made much mistakes in his essays