Question

---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

Answer 1

B

試題分析: 句意：我打算去南京在那兒呆一周。你在那的進候，可以給我買幾本書嗎？ If如果，While           當……的時候，Since自從，As soon as一……就……。since引導的從句用一般過去時，在南京呆一周，沒必要一到那兒就去買書,已經計劃去南京了，不必再進行假設，while引導的從句動詞用進行時態或一種狀態。故選B。