_______ by keeping down costs will Power Data hold its advantage over other companies.

s very clever and _____ worthteaching, but her brother is not Look, he is now _____ asleep in class

The teachers never arrive late for work from Mondayto Friday.

So quickly ____________ that what is a possibility today may be a reality tomorrow[ ]

Mom, I was the first to reach the top of the mountain.— Good job, Charlie. I’m______ of you.