6．(2016·滨州)Life is like a mirror.________ you smile at it, it will smile back.
A．Unless B．When C．Until D．Though
7．(2016·连云港)—________ will the 6th Chinese Film Festival in
France last?
—From May 24th to July 19th.
A．How often B．How soon
C．How long D．How many
