TWO preposition/ linking word question

The man escaped from the prison and is now on the run.

I went to the toilet around the corner because it was the closet.

圖片參考：http://tw.yimg.com/i/tw/ugc/rte/smiley_1.gif
peace

2008-11-09 00:26:14 補充：
http://www.ldoceonline.com/dictionary/run_2　解釋7(a)

be on the run　在逃
＝to be trying to escape or hide, especially from the police　正在逃避警方的追捕.
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http://tw.dictionary.yahoo.com/search?ei=UTF-8&p=because

because (連接詞conjunction/ linking word) = 因為

in the run
and it was the closest (closet).