the zoologists tried to prove was that the photo of the South China Tiger had been staged or technologically dealt with.
Of the making of good books there is no end; neither_____ any end to their influence on man’s lives.
______ Sunday, rather than ______ TV all day, I preferred ______.
Legend has ______ that CaoCao, King of Wei kingdom in the Three Kingdoms period, built 72 tombs to confuse tomb diggers.
It is high time we ______ awareness of environmental protection.
How can they learn anything useful ______ they spend all their spare time playing online games?