【题目】________ I have to give a speech, I get extremely nervous before I start.
A. Whatever B. Whenever
C. Whoever D. However
在线课程【答案】B
【解析】
试题分析：考查让步状语从句。I have to give a speech句中有主语、谓语和宾语，可知不能选whatever和whoever，又however后面跟副词或形容词，故选whenever。句意：不论什么时候我演讲，在开始之前我都特别紧张。