--- Excuse me, is the shop open around the clock?--- ________. Only from 8:00 a.m. to 4:00 p.m.
It happened ____ the Long March.
The window is never opened ____ in summer.
Nobody knows it ____ me.
I don' t think Xiao Li is ____ the other students ____ mathematics.
_____ hearing the news, I was wild ____ joy.