_________as one of the most important inventions of the time, the computer helps people living in different countries to do a lot of things.
Do you have any idea________is actually going on in the classroom?
You have not yet answered the question________I can join the party tonight.
Tom felt that he knew everybody's business better than they know it________.
As we know, many________countries, like India and Sweden, can have some expressions not much the same as standard English.
At the back of our house stands________.