单项选择题

______ evidence that language-acquiring ability must be stimulated.

A．It being
B．It is
C．There is
D．There being
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单项选择题
The project ______ by the end of 2000, will expand the city's telephone network to cover 1,000,000 users.
A．accomplished
B．being accomplished
C．to be accomplished
D．having been accomplished
单项选择题
A lorry ______ Jane's cat and sped away.
A．ran over
B．ran into
C．ran through
D．ran down
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