问题
选择题
34. We knew we were getting close to the park____we started seeing the tiger right next to the road.
A．when
B．before
C．while
D．Until
答案
答案：A
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34. We knew we were getting close to the park____we started seeing the tiger right next to the road.
A．when
B．before
C．while
D．Until
答案：A