单项选择题
We should always bear in mind that decisions often result in ______ conclusions.
单项选择题 The screaming of a woman ______ our attention back ______ the TV program.
单项选择题 Is there any possible ______ explanation for his bad health since he seems to have no obvious disease
单项选择题 She refused to ______ the door key to the landlady until she got back her deposit.
