单项选择题

The small bar ______.

A．opened at midnight
B．didn't close until after midnight
C．closed before midnight
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单项选择题
Countless sheep can be cloned from one fetal cell.
A．Right
B．Wrong
C．Doesn't say
单项选择题
Dolly will live longer than an ordinary lamb.
A．Right
B．Wrong
C．Doesn't say
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