Nowadays people sometimes separate their waste to make it easier for it ______.      .

The Smiths consider _____ a computer, which is commonly considered _____ a great help in their work and study.

_______ himself with necessary knowledge and skills, the young man went to the job market with much confidence．

A few days before its anniversary, the school decided to have the buildings _____ clean as well as elegant.

The instant Nate woke up the next morning, he saw a note on the bedside table _____ by his wife_______ “Breakfast is ready. Have a nice day.