注意：此页面搜索的是所有试题
题目内容
（梦想在线大学英语1）
They made no effort to hide their amusement ________ I produced a packet of sweets from my pocket.(3.0分)
A: however
B: whatever
C: whichever
D: whenever
A: however
B: whatever
C: whichever
D: whenever
参考答案
