I got this bicycle for ______．My friend gave it to me when she bought a new one．

We had a picnic last term and it was a lot of fun, so let’s have _______ one this month.

I was disappointed with The Transformers 3, for I had expected _ to be much better.

The potential of economic development of one region varies from ______ of another.

_____of the two story books are very interesting, so I can’t decide which one to choose.