Read the text and answer question.
Heathrow expansion should face strict environmental conditions, say MPs.
[1] Final government approval for the expansion of Heathrow
should be withheld until Europe’s busiest airport can
demonstrate that it accepts and will comply with key
environmental conditions, a parliamentary committee has
concluded.
MPs on the environmental audit committee have been
[5] hearing evidence on the likely carbon emissions, air quality
and noise levels after the government-appointed Airports
Commission recommended a third runway at Heathrow as
the preferred plan for London airport expansion.
(Adapted from www.theguardian/ environment. Acessed on 01/12/2015)
Choose the synonym in the context for the underlined word in the title, and its correct part of speech.
