A teacher of English and class teacher us something about volunteer workers.
A. are telling
B. is telling
C. are given
D. were given
网友回答
A. are telling
(答案→)B. is telling
C. are given
D. were given
解析： 本句话的主语是A teacher of English and class teacher表示的是一个人，既是英语老师，也是班主任老师。故谓语动词使用单数形式。句义：一位英语老师兼班主任正在告诉我们一些关于志愿者工作的事情。故B正确。