—What are you going to do in the summer vacation?

—I ________ a volunteer in the hospital.

A ． was B ． am C ． will be

答案

C

【详解】句意： —— 暑假你打算做什么？ —— 我将成为医院的志愿者。

考查时态。根据 “What are you going to do in the summer vacation” 可知此处描述将来的动作，用一般将来时 will do 。故选 C 。