单项选择题

The students were told to make ______ study of the air situation in ______ city of Beijing.

A．不填; the
B．a; the
C．the; the
D．a; 不填
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单项选择题
When only a small boy, ______.
A．my father took me with him to France
B．I went with my father to France
C．my father went with me to France
D．my father took me to France
单项选择题
On hearing the bad news, he got up quickly, ______ the lunch unfinished.
A．leave
B．left
C．to leave
D．leaving
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