﹣When did the earthquake in Lushan happen?﹣It happened __________ 8:02 __________ the morning of April 20, 2013.A.on; in B.at; on C.at; in
Kids will study at home ____ computers ____ a hundred years.
He will call me if he ________ in Beijing.
I think there will be _____ people and ______pollution.
She plays ______ today.