(2013·四川，8)________which university to attend，the girl asked her teacher for advice.
A．Not knowing B．Knowing not
C．Not known D．Known not
(2013·陕西，14)The witnesses ________ by the police just now gave very different descriptions of the fight.
A．questioned B．being questioned
C．to be questioned D．having questioned
(2013·陕西，13)Let those in need ________ that we will go all out to help them.
A．to understand B．understand
C．understanding D．understood
(2013·辽宁，28)Laura was away in Paris for over a week.When she got home，there was a pile of mail________for her.
A．waited B．to wait C．waiting D．was waiting
(2013·江苏，31)Shortly after suffering from a massive earthquake and________to ruins，the city took on a new look.
A．reducing B．reduced
C．being reduced D．having reduced
(2013·湖南，31)________warm at night, I would fill the woodstove, then set my alarm clock for midnight so I could refill it.
A．Staying B．Stayed C．To stay D．Stay
