问题补充：
Our English teacher is ill, and we are all her health.
A. careful of
B. concerned about
C. interested in
D. calm about
答案：
A. careful of
(答案→)B. concerned about
C. interested in
D. calm about
解析：考查形容词定语。be concerned about对……关心。句意：我们英语老师生病了，我们都关心她的健康。
