单项选择题 20（）

单项选择题 19（）

单项选择题 18（）

单项选择题 17（）

单项选择题 16（）

单项选择题 15（）

单项选择题 14（）

单项选择题

单项选择题 At any ICU in a hospital, there are a few patients who are ______ ill and look hopeless.

单项选择题 Something worth doing is none______for being done twice,

单项选择题 No instances have been found______an interchanging of these two sentence constructions.

单项选择题 The usual reason for exemption from tax does not______in this case.

单项选择题 While I could not ______ the words outside the thick glass windows, their middle fingers spoke loudly.

单项选择题 How did it ______ that in English the correlation between spelling and pronunciation is not very close

单项选择题 Being critical and dictatorial, the boss would ______ discussions and ignore comments not in agreement with his.

单项选择题 The government has to consider whether the destruction of one human life can be ______ by the hopes of saving others.

单项选择题 The President cancelled a foreign trip ______ growing concerns of a domestic crisis.

单项选择题 He was concerned only with mundanematters, especially the daily stock market quotations.

单项选择题 This young man took a law degree with distinctionand found a job in a well known law firm.

单项选择题 Probablythere"s a good reason for her absence, as she doesn"t usually stay away from work.