An invention is a new way of solving a problem, so try our best to think of many ________and unusual ways.
Those _____ cannot answer all three riddles will be condemned to death.
As is known to us all, success usually results from diligence while laziness and copying others _____ can lead to losses and failure.
As I grew up in a small town at the foot of a mountain, the visit to the village _____ scenes of my childhood.
When it comes to my preference for entertainment in the spare time, I prefer gardening to parachuting, because the latter is a dangerous _____.
The reason why the government decided to put off the plans to build a new airport was that the plan met with fierce _____ from local farmers.