What is the most popular TV programme this year, Li Hua—I think Readers that by CCTV.

Many a time _____ swimming alone. [ ]

Many people cut down their daily spending in order to______ the financial crisis (金融危机). [ ]

It takes _______ money to help those in need; it alsotakes love

It is well known that knowledge is________treasure house，but practice is________key to it.