单项选择题

As we know, Galieo invented ______ telescope.

A．×
B．the
C．a
D．one
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单项选择题
I have ______ today.
A．a headache
B．headaches
C．the headache
D．headacheing
单项选择题
The sports meet was ______ last week.
A．succeed
B．success
C．successfully
D．a success
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