【题目】It is the first time that Chinese teachers ________ in schools across Britain to introduce Chinese-style maths lessons and teaching approaches.
A. taught B. teach
C. have taught D. had taught
在线课程【答案】C
【解析】
考查现在完成时。句意：这是中国教师首次在英国各地的学校教中国式的数学课和教学方法。The first time that表示“第一次……”，引导表语从句时，如果主句的系动词是一般现在时，从句用现在完成时，故C项正确。