________, the Internet was only used by the government. But now it’s widely used in every field.

You can’t guess what difficulty I had_____ your home.

______ happened to be no one in that house when the typhoon hit the area.

As ________matter of fact, _________ beauty of __________ nature there made an excellent impression on me.

Don’t copy others’ work. If you do it by ________, you’ll feel much better.