题目内容
10、John waited at the bus stop for nearly an hour ___ the bus finally arrived．
A．when B．as C．before D．while
试题答案
10、C
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John waited at the bus stop for nearly an hour ___ the bus finally arrived．
A．when B．as C．before D．while
查看习题详情和答案>>John waited at the bus stop for nearly an hour ________ the bus finally arrived．
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when
B．
as
C．
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D．
while
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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