单项选择题

It was because he was ill ______ he didn't go to school.

A．that
B．when
C．then
D．so
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单项选择题
The children ______ many times not to go near the reservoir.
A．were being told
B．have been told
C．had being told
D．told
单项选择题
Newspaper is one of ______ means of sending news and information.
A．common
B．more common
C．the commonest
D．the most common
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