问题补充：
He was so angry with his students that he could say a word.
A. always
B. sometimes
C. almost
D. hardly
答案：
A. always
B. sometimes
C. almost
(答案→)D. hardly
解析：
试题分析: 句意：他对他的学生们太生气了，以致于他几乎说不出话来了。always总是，sometimes 有时，almost几乎， hardly几乎不。so...that...如此……以致于……,根据语境可知是生气的说不出话来了，故选D.
