5. In our class, when the bell rang and the taacher closed his book, it was a or everyone to stand u

题目简介

5. In our class, when the bell rang and the taacher closed his book, it was a or everyone to stand u

题目详情


5. In our class, when the bell rang and the taacher closed his book, it was a        or everyone to stand up.
A.signalB.chanceC.markD.measure
题型:单选题难度:中档来源:不详

答案

 A

signal 信号; chance 机会; mark 记号;measure  措施。句中的it 代替“铃响时教师合上书”这件事,而“它”正是大家要起立的“信号”。

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