Let's _____ the sports club. [ ]
A. do join
B. to join
C. join
D. joins
答案：C
Shanghai Disneyland has started to be built and it will be open ________ five years. [ ]
A. in
B. for
C. from
D. before
依据《矿山安全法》的规定，矿山安全规程和行业技术规范由( )制定。
A．劳动行政主管部门B．建设行政主管部门C．安全生产监督管理部门D．国务院管理矿山企业的主管部门
