Although Xiamen is a gorgeous city, Harry still decided that he would drive all the way home instead of _____ at a hotel for the night.

You can take anything from the shelf and read, but please ______the books when you’ve finished with them.

While intelligent people can often ______ the complex, a fool is more likely to complicate the simple.

_______ people in the world are sending information by e-mail every day.

It’s widely accepted that young babies like to do things because certain acts lead to ________.