_____ hearing the news, I was wild ____ joy.
At, in
B. On, with
C. After, by
D. /, over
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I don' t think Xiao Li is ____ the other students ____ mathematics.
A. after, on
B. after, with
C. behind, in
D. behind, at
Nobody knows it ____ me.
A. except for
B. except that
C. besides
D. but
The window is never opened ____ in summer.
A. but
B. except
C. except for
D. but for
It happened ____ the Long March.
A. during
B. in
C. at
D. for