问题补充:
----I am going to Qingdao 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
答案:
A. If
(答案→)B. While
C. Since
D. As soon as
解析:If是否,如果;While然而,当……的时候;Since自从……以来;As soon as一……就……。句意:我要去青岛,并在那儿呆一个星期。——当你在那儿时,你能给我买几本书吗?结合语境可知选B。