(2013·高考陕西卷)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·高考四川卷)The airport________next year will help promote tourism in this area.
A．being completed B．to be completed
C．completed D．having been completed
(2013·高考湖南卷)You cannot accept an opinion________to you unless it is based on facts.
A．offering B．to offer
C．having offered D．offered
(2013·高考辽宁卷)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·高考山东卷)The room is empty except for a bookshelf ________ in one corner.
A．standing B．to stand
C．stands D．stood
(2013·高考天津卷)In some languages,100 words make up half of all words ________ in daily conversations.
A．using B．to use
C．having used D．used
