单项选择题

A．originals
B．origins
C．discoveries
D．resources
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单项选择题
A．concernedB．itselfC．availableD．oneself
A．concerned
B．itself
C．available
D．oneself
单项选择题
A．The teacher postponed the conference.B．There won’t be a test this afternoon.C．The students will be attending the conference.D．The students took a science test that afternoon.
A．The teacher postponed the conference.
B．There won’t be a test this afternoon.
C．The students will be attending the conference.
D．The students took a science test that afternoon.
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