—Howdifficultphysicsitis!Ireallywanttodropit!  —

问题详情：

—How difficult physics it is! I really want to drop it !

   —_________you come on，you will do it better.

A. As long as        B. As soon as        C. Though           D. While

【回答】

A

知识点：连词

题型：选择题