I've asked him __________ us for dinner, but he said he was quite busy.
A:joining
B:to join
C:joined
D:join
关于中国海洋资源的叙述,正确的有( )
每个人都有维护社会秩序的义务,依法维护社会秩序包括( )
①维护机关团体、企事业单位的秩序 ②维护公共安全
③维护社会管理秩序 ④维护交通秩序
— But he !