10、John waited at the bus stop for nearly an hour ___ the bus finally arrived．
A．when B．as C．before D．while
科目：高中英语 来源： 题型：
John waited at the bus stop for nearly an hour ___ the bus finally arrived．
A．when B．as C．before D．while
科目：高中英语 来源：黑龙江省哈六中2011届高三第二次模拟考试英语试题 题型：016
John waited at the bus stop for nearly an hour ________ the bus finally arrived．
when
as
before
while
科目：高中英语 来源： 题型：
John waited at the bus-stop for nearly half an hour the bus finally arrived .
A．when B．as C．before D．while
科目：高中英语 来源： 题型：
John waited at the bus-stop for nearly half an hour the bus finally arrived .
A．when B．as C．before D．while
科目：高中英语 来源： 题型：
John waited at the bus-stop for nearly half an hour the bus finally arrived .
A．when B．as C．before D．while
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