While riding in the street, _______________________________.

A．someone called me from behind

B．I heard my name called

C．my bike broke down

D．an old man knocked down

_________年4月，_______和日本首相_________在日本______签订了中日《________ 》，这个丧权辱国的条约规定：①清政府割__________、_________、_________给日本；②赔偿日本军费白银__________两；③开放___________、 __________ 、____________、___________为商埠；④允许日本在通商口岸_____________。