Nowadays little knowledge __ to be a dangerous thing

He pointed at the new car and asked, "___ is it? Have you ever seen it before?"

If their marketing team succeeds, they __ their profits by 20 percent.

You&39;d better take these documents with you __ you need them for the meeting

My father asked __ to help with his work.

What enables some people to get big creative breakthroughs while others only get small and non-creative breakdowns, blaming themselves and society? Are some people "gifted"? Are there other factors __21__ work--factors that we have more control over than we think?