I got to the office earlier that day，________the 7∶30 train from Paddington.
(2013·大纲全国，25)
A．caught B．to have caught
C．to catch D．having caught
The witnesses ________ by the police just now gave very different descriptions of the fight. (2013·陕西，14)
A．questioned B．being questioned
C．to be questioned D．having questioned
Let those in need ________ that we will go all out to help them.(2013·陕西，13)
A．to understand B．understand
C．understanding D．understood
The airport ________ next year will help promote tourism in this area.(2013·四川，10)
A．being completed B．to be completed
C．completed D．having been completed
________ which university to attend，the girl asked her teacher for advice.(2013·四川，8)
A．Not knowing B．Knowing not
C．Not known D．Known not
There are some health problems that，when ________ in time，can become bigger ones later on. (2013·浙江，19)
A．not treated B．not being treated
C．not to be treated D．not having been treated
