单项选择题

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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(Many) a woman (feel) (entitled) to (more) in life than just housework.
A．Many
B．feel
C．entitled
D．more
单项选择题
No sooner (had) the hikers (set out) on their trip (as) it began to rain (heavily).
A．had
B．set out
C．as
D．heavily
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