So (2)___________ different types of music have been called jazz at one time or (3)___________ that is hard to say what it really is.

I never leave any electrical appliances on standby and I think it is a good way to ____ energy in the home.

It turned out to be a ______  journey when the weather became bad.

Choose the best answer: Information technology has ____ our lives.

Choose the best answer:

My wife is going on her business next week so I have to ____ most of the chores around the house.

In the last quarter of this year, our entertainment company had a big success in signing a lot of contracts with celebrities.

The rate of urbanization is low, ____ the rate of urban growth is high.

Her success went beyond her expectation.