题目内容
（请给出正确答案）
The period during (when) people (learned to) smelt iron is (called) (the) Iron Age.
A．when
B．learned to
C．called
D．the
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A、Well, Dr. Li, I’m afraid time is up; we thank you very much for your enlightening opinions.
B、Since you have already used up our agreed-upon time, I have to ask you to stop here.
C、Excuse me, sir, since the time’s quite limited, could you please stop the discussion?
D、That is all for today. Our next meeting will be on Thursday morning at the same time and place.
A、France
B、Russia
C、South Korea
D、Italy
The girl is going to study abroad next month and when he was young.
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