(单选题) 29: People wandering in the fairground or park area( )wear a uniform.
A: must
B: mustn't
C: have to
D: don't have to
(责任编辑:admin) |
(单选题) 29: People wandering in the fairground or park area( )wear a uniform.
A: must
B: mustn't
C: have to
D: don't have to
(责任编辑:admin) |