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
Lionel Messi，________the record for the most goals in a calendar year，is considered the most talented football player in Europe. (2013·江苏，24)
A．set B．setting
C．to set D．having set
________ in the early 20th century，the school keeps on inspiring children’s love of art. (2013·安徽，32)
A．To found B．Founding
C．Founded D．Having founded
