问题
单项选择题
In today's class, the students were asked to () their mistakes on the exam paper and put in their possible corrections.
A．cancel
B．omit
C．extinguish
D．erase
答案
参考答案：D
解析：
cancel意为“取消”；omit意为“省略”；extinguish意为“熄灭，灭绝”；erase意为“擦去”。本句的意思是“在今天的课上，学生们被要求擦去试卷上的错误答案并填上改正后的答案”。故选D。