单项选择题

Hello, are you ______ European or ______ American

A．a; an
B．an; a
C．an; an
D．a; a
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单项选择题
I'd prefer ______ some shopping tomorrow.
A．do
B．done
C．to do
D．did
单项选择题
The temple is on the edge of lake ______ has been made by the dam.
A．where
B．when
C．who
D．which
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