Those who had already purchased tickets were instructed to go to gate first immediately.

Thanks for the liberation of women, women can now take part in social activities.

The Great Pyramid of Giza is said to have built over a 20-year period.

Upon reaching the destination, a number of personnel is expected to change their reservations and proceed to Hawaii.

The Greek historian Herodotus reported that one hundred thousand men are employed for twenty years to build the Great Pyramid at Gizeh.

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

The number of students attending universities to study economics have increased steadily in the last few years.

Proteins are made up of folded irregularly chains, the links of which are amino acids.

By the time the police come the robber had run away.

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

Paris is much more exciting as I expected.

Conservation is the safeguarding and preservation of nature resources.

Mrs. Alien was concerned about me having to drive so far every day.

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

Because her sickness she didn’t take part in the English competition held in Sunday.

Today the number of people enjoying winter sports are almost double that of twenty years ago.

Developing new technologies are time-consuming and expensive.

The clerks who are happy to wait for their customer will get promoted soon.

We had better to review this lesson carefully because we will have some questions on it.

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

Jason’s professor had him to rewrite his thesis many times before allowing him to hand it in.