Shut the door .......... you.

Four-fifths of the world's computers use programs (at/in/on/about) English.

They succeeded ____________ escaping ______________ the burning house.

When are you leaving _________ Hanoi?

How long have they been working _____________ the company?

The problem is becoming serious. We have to discuss ............ it.

The children are really excited _____ their summer vacation.

I saw Tom ............ a concert last Saturday.

Mr. Foster lives_____ 667E 76^th street______ New York.

He was in orbit around the Earth __________ a speed of more than 17,000 miles per hour.

We are looking forward ....... seeing you again.

They considered women to be better suited ________childbearing and homemaking.

Why don't you ask_____________ a pay increase?

Many students aren't keen ....... their study at school.

Henry was born ........ 1992.

I posted the letter today, so they should receive it .............Monday.

He read that .......... a book.

They were happy ____________ the results of the election.

He congratulated me_______ winning the competition.

He put the book .......... the table and sat down .......... a chair.

This organization is quick __________ sending relief goods to the flooded areas.