问题补充：
To their great , they got the bad news that their English teacher had been in hospital for quite a few days.
A. joy
B. disappointment
C. happiness
D. sadness
答案：
A. joy
B. disappointment
C. happiness
(答案→)D. sadness
解析：根据题意,老师住院好几天了,作为学生应感到难过, 所以用sadness.
