Experts believe that land that is becoming deserts ________ the size of Australia, Russia and the United States put together

下列各句中，没有语病的一句是

How much is this coat It’s ____ yuan.

Mary tries ____ vegetables eleven or twelvetimes a week because she wants to be ____.

The British are not so familiar with different cultures and other ways of doing things, _________ is often the case in other countries.