7 The tumble dryer had a design fault, overheat and, in some cases, catch fire! 12 a which causing it b causing it to c causing a result of d caused it to 8 _ out in the rain for months, the bicycle ..

7 The tumble dryer had a design fault, overheat
and, in some cases, catch fire!
12
a which causing it
b
causing it to
c causing a result of
d
caused it to
8
_ out in the rain for months, the bicycle was
18
covered in rust.
a Been leaving
c Leaving
b Was left
d Having been left