―The telephone is ringing. ―I answer it. A. will B. am going to C. am to D. am a
来源：网络
时间：
推荐文章
―The telephone is ringing.
―I _________ answer it.
A. will B. am going to C. am to D. am about to
试题答案
A。
解析:
be going to do表示“已计划好要做某事”，be to do与be about to do有时意思一样，都是“正要做某事 (忽然另一个动作发生了)”。