52单词网 > 高中英语 > 高中英语题库 > In our class, when the bell rang and the teacher closed his book, it was a for e

In our class, when the bell rang and the teacher closed his book, it was a for e

来源:网络 时间:
In our class, when the bell rang and the teacher closed his book, it was a for e

In our class, when the bell rang and the teacher closed his book, it was a _____ for everyone to stand up.

[     ]

A. signal
B. chance
C. mark
D. measure

试题答案

A