单项选择题

So far every means ______ tried, but we still haven't found anything helpful to the case.
A) has been C) are
B) is D) have been
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单项选择题
The police ______ the thief and put him in prison. A) arrested C) apologized B) persuaded D) refused
The police ______ the thief and put him in prison.
A) arrested C) apologized
B) persuaded D) refused
填空题
He spends a lot of time in (play) ______ computer games.
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