That was when twenty-five students in a class taught by Thomas Zurbuchen first talked about the idea.

VOA: special.2009.02.16

But in the United States, the main idea of each paragraph should be in the first sentence.

VOA: special.2009.04.30

The idea that dinosaurs and birds were somehow related first was reported in the nineteenth century.

VOA: special.2010.06.04

He said at first he just thought the idea of Pedal People was really cool.

VOA: special.2009.12.04

Miz Meyer says that the idea for the first book came from a dream.

VOA: special.2010.01.20

It is impossible to say how first the idea entered my brain.

VOA: special.2009.05.16

And the idea that we are now really facing the first global crisis, I think, is well understood by all,".

VOA: standard.2009.04.16