In order to enter the PE exam, now we spend at _____ least half _____hour a day at school.
A:a; an
B:the; a
C:不填; an
D:不填; a
下列事件都发生在法国大革命期间,按时间先后排列,正确的是( )①颁布《人权宣言》 ②处死路易十六 ③攻占巴士底狱 ④巴黎人民第三次起义