They work day and night; however, _______ of the money they make goes to their so-called eldest brother.

To understand the grammar of the sentence，you must break it ________ into parts.

The world’s population has grown by ______ it was in 1800.  

There is no doubt___he is the best man for thejob.

This will be a year of action, and that action should begin by extending unemployment insurance for Americans who were _______ in the economic slowdown.