(2013·北京卷)Experts believe people can waste less food by shopping only when it is necessary.
---- Which of the two books do you want?----- I want____ . Please show me ____.
---- Did ____get through the driving test?----No,___ . A few failed.
He and his brother are as tall as ____.
It was ___he said___ disappointed me.
--- How about the price of these washing machines? --- They are at least equal in price to____, if not cheaper than, at other stores.