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The period during (when) people (learned to) s

2022-08-05 15:24:26 问答库 阅读 169 次

问题详情

The period during (when) people (learned to) smelt iron is (called) (the) Iron Age.
A.when
B.learned to
C.called
D.the请帮忙给出正确答案和分析,谢谢!

参考答案

正确答案:A
解析:本题考查“介词+which”引导定语从句。when不用在介词后。改“when”为“which”。

考点: