The harder he tried, the worst he danced before the large audience.

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

If today is Sunday, we would have a lot of fun at the camping site.

Some species of bats are dormant each days and active every night.

I can’t go out tonight because I have too many work to do.

Foreign students who are doing a decision about which school to attend may not know exactly where the choices are located

Teddy Roosevelt demonstrated his competitive spirit and tireless energy in 1905 whenever he led the Rough Riders up San Juan Hill.

I clearly remember to tell you about this before.

Each of the nurses report to the operating room when his or her name is called.

Should you mind telling me the way to the nearest restaurant?

It is difficult to write rules that tell exactly when we should apologize, and it is not difficult to learn how to do it.

Because blood from different individuals may different in the type of antigen on the surface of the red cells and the type of antibody in the plasma, a dangerous reaction can occur between the donor and recipient in a blood transfusion.

Instead of calling off the meeting, maybe we can just put it over until next month.

Dresses, skirts, shoes and children’s clothing are advertised at great reduced prices this week.

Her weigh has increased remarkably since she began receiving treatment.

If I had enough money, I would have travelled around the world.

It is the recommendation of many psychologists that a learner ought to use mental images to associate word and remember them.

The longer the children waited in the long queue, the more impatiently they became

She did not know where most of the people in the conference was from.

Oxygen plays a important role in maintaining live.

Dogs that are trained to lead the blind must be loyalty, intelligent and calm.