_________(77)
A.in front of
B.under
C.on
D.behind

________(78)
A.well
B.sand
C.water
D.softly

__________(80)
A.catch
B.keep
C.reach
D.aim

_________(81)
A.goes
B.comes
C.makes
D.supplies

________(73)
A.goes
B.plays
C.helps
D.makes

________(72)
A.in
B.at
C.to
D.for

_____________(71)
A.one
B.that
C.once
D.second

by 1983 this proportion had risen to 62 per cent, nearly
A.by
B.had risen
C.per cent
D.correct

More people are take holidays abroad nowadays. By 1971, only
A.More
B.take
C.abroad
D.nowadays

The advantage of living in the countryside is that the air is (51-pollute).
A.51. unpolluted
B.51. polluting
C.51. pollutant
D.51. polluted