A beaver uses its strong front_teeth to cut down trees and peel_off its bark.

Sometimes it takes me about three hours finishing my round.

Species like snakes, lizards, coyotes, squirrels, and jack rabbits seems to exist quite happily in the desert.

It is important that cancer is diagnosed and treated as early as possible in order to assure a successful cure.

Ralph wishes that he went to the bank this morning before he went to work.

In the early 1900's, Pennsylvania's industries grew rapidly, a growth sometimes accompanied by disputes labor.

Some people often say that using cars is not as convenient than using motorbikes.

English, together with Literature and Maths, are compulsory subjects in the national curriculum.

He has a great deal of books most of which are on science and technology.

The student must have her assessment form fill in by the examiner during the oral exam.

In spite of my father is old , he gets up early and does morning exercise.

People in every part of the world readily and easily communicates by means of electronic mail.

The puppy stood up slowly, wagged its tail, blinking its eyes, and barked.

In very early times, people around the fire were entertained by storytellers with stories of heroes’ wonderful actions and victory.

When a lion gets hungry, its manner changes and it becomes threatened.

It is believed that in the near future robots will be used to doing things such as cooking.

It is recommended that people to take regular exercise.

She has disappeared three days ago, and they are still looking for her now.

The notion that students are not sufficiently involved in their education is one reason for the recently surge of support for undergraduate research.

Many teachers have devoted their lives to teaching therefore teaching is not a well-paid job.

Mai and Lan have a row because they have misunderstood one another.