(2013·高考福建卷)________ basic firstaid techniques will help you respond quickly to emergencies.
A．Known B．Having known
C．Knowing D．Being known
(2013·高考浙江卷)________ how others react to the book you have just read creates an added pleasure.
A．Hearing B．Hear
C．Having heard D．To be hearing
(2013·高考重庆卷)The engine just won’t start.Something seems________wrong with it.
A．to go B．to have gone
C．going D．having gone
(2013·高考北京卷)When we saw the road________with snow，we decided to spend the holiday at home.
A．block B．to block
C．blocking D．blocked
(2013·高考新课标全国卷Ⅰ)They might just have a place________on the writing course—why don’t you give it a try?
A．left B．leave
C．leaving D．to leave
(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
