关于FTP服务的描述中，错误的是
A、数据连接分为主动模式与被动模式B
暂无解析
______theyaretwinsisters,theydon’tlooklikeeachother.
Theforeigners_________there,butthey_________thefoodthereatfirst.
Thetimehascome_____wemakeextensiveuseofnuclearenergy.
Thefanswereveryexcited______DavidBeckhamcametotheshow.
Maria:Doyouthinkyouwillgetapayrisenextyear?
Leo:______.
