问题
选择题
They made no effort to hide their amusement ________ I produced a packet of sweets from my pocket.
A．however
B．whatever
C．whichever
D．whenever
答案
答案：D
此题考查 whenever 引导的时间状语从句。句意为“每当我从衣袋里拿出一包糖果的时候，他们毫不掩饰他们觉得好笑”。