用所给单词的适当形式填空.

1. Computers are _____ (use) inventions and becoming more popular.

2. Could you tell me where I can _____ (change) money.

3. You may take the elevator to the      _  (two) floor. She is in the office there.

4. Maybe there's someone_____ (call) you just outside your office.

5. The article is very _____ (organize), and it's worth read ing.