Sentence examples for this challenge began from inspiring English sources

This challenge began on the level of definition and understanding.

Since this challenge began in 1996, the prize has been unclaimed.

Then, as quickly as the challenge began, it ended.

In view of the multiple factors that can influence metabolism, all patients are required to fast for 12 h before the challenge begins; during this time they may only consume water.

But for the White House and the president's re-election team, the challenge begins immediately.

And then the challenge begins.

In fact the challenge begins on December 15.

Next, the first challenge began: this lasted 20 min and could consist of any of the following three conditions: 1) normal air (20%O2); 2) 10%O2, 3) 6%CO2.

As for this film, she acknowledged that the challenges began in many ways after the picture was long locked.

The challenge began this week, when Island began running its television spots.

The challenge began with the very first word: "riverrun".