题目内容
---I am going to Nanjing and stay there for a week.
---____________ you are there, would you please buy some books for me?
| A．If | B．While | C．Since | D．As soon as |
B
解析试题分析: 句意：我打算去南京在那儿呆一周。你在那的进候，可以给我买几本书吗？ If如果，While 当……的时候，Since自从，As soon as一……就……。since引导的从句用一般过去时，在南京呆一周，没必要一到那儿就去买书,已经计划去南京了，不必再进行假设，while引导的从句动词用进行时态或一种状态。故选B。
考点：考查连词
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