He said that he has done his homework since 7 o'clock.

I think she will be suitable for the work because she has been working like a teacher for a long time.

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

He has made a lot of mistakes in his writing because his carelessness.

By the mid-nineteenth century, land was such expensive in large cities that architects began to conserve space by designing skyscrapers.

When many of my friends take a shower in the morning, I usually take one before bed.

She wishes that we didn’t send her the candy yesterday because she’s on a diet.

Did you say that you will have a lot of things to do the following week?

There are many different ways of comparing the culture of one nation with those of another.

Mary and her sister just bought two new winters coats at the clearance sale.

It is recommended that people to take regular exercise.

To everyone's surprise, it wasn't in Bristol which he made his fortune, although that’s where he was born.

Minh Hanh, who is one of the most famous fashion designers in Vietnam, are preparing for a new show.

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

Not one in one hundred children exposed to the disease are likely to develop symptoms of it.

Neither of the men arresting as terrorists would reveal information about his group.

I enjoyed talking to the people with that I met at the party last night.

Two weeks are plenty of time to finish the assignment.

For thousands of years, man has created sweet-smelling substances from wood, herbs and flowers and using them for perfumes or medicine.

The developing of the submarine was hindered by the lack of a power source that could propel an underwater vessel.

English is speaking in many countries in the world.