3 sentences

1. 这里的景色是何等壮观！

   zhè​lǐ de jǐng​sè shì hé​děng zhuàng​guān!

   How magnificent the scenery is here!

   Source: Dong Chinese Dictionary

2. 你认为他是何等样的人？

   nǐ rèn​wéi tā shì hé​děng yàng de rén?

   What kind of person do you think he is?

   Source: Dong Chinese Dictionary

3. 无论前方的困难何等艰巨，他都决不退缩。

   wú​lùn qián​fāng de kùn​nan hé​děng jiān​jù, tā dōu jué bù tuì​suō.

   No matter how daunting the challenges ahead may be, he will never back down.

   Source: Dong Chinese Dictionary