Will you help me to look for an important paper I left in my office this morning as soon a

问题补充：

Will you help me to look for an important paper I left in my office this morning as soon as you ？

A. arrived

B. arrive

C. will arrive

D. would arrive

答案：

A. arrived

(答案→)B. arrive

C. will arrive

D. would arrive

解析： 主句为一般将来时态时,条件状语从句中用一般现在时表示将来时,故选B.