下列句子中有两个错别字的一项是（ ）

It’s one thing to have theories, but it’s _______to put them into practice.

“You can’t catch me!” Monica shouted, _____ to the playground.[ ]

The pricesystem is a complex network composed of the prices of all the products boughtand sold in the economy as well asof a great number of services.

26There was no doubt ____ it was in the supermarket _____ I lost my wallet yesterday