It’s said that of the water around the world polluted.

下列各组加横线的词，词义相同的一项是（ ）

The world’s first flying car has been ________ for sale at ￡800,000 by Courtesy Aircraft of the US.

I hope they will finish the project in time, but they themselves are very_____ that it will.

If what your friend comes up with surprise you, don’t reject it immediately _____, imagine that it is true