单项选择题

Caroline ______ her speech when a stranger rushed in and interrupted her.

A．was to finish
B．finished
C．had finished
D．was to have finished
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单项选择题
The shower ______ over, we went on with our journey.
A．was
B．being
C．to be
D．been
单项选择题
Historically the Ukrainians are an ancient ______ which has persisted and survived through terrible calamity.
A．country
B．nation
C．state
D．territory
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