(2014·成都市重点中学联考)She can’t help________the house because she’s busy making a cake in the kitchen

You can’t imagine ____ fantastic fun web chatting is.——Really? But it may cause a lot of trouble sometimes.

_____ when I am with people like Mr. Smith, whohas a good sense of humor.

__________ is no possibility__________Bob will win the first prize in the match.

It’s a common _______ that a person will besentenced to death if he or she commits murder in China.