11、The athletes in the Paralympics had to practice several times ____ they went to compete .

A．before          B．when       C．until          D．a(chǎn)s

11、A

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科目：高中英語 來源： 題型：

The athletes in the Paralympics had to practice several times ____ they went to compete .

A．before          B．when       C．until          D．a(chǎn)s

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科目：高中英語 來源： 題型：

The athletes in the Paralympics had to practice several times ____ they went to compete .

　 A．before　　　 B．when　　　　 C．until　　　 D．a(chǎn)s

 

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