TYPICAL ERROR
CORRECTION
EXPLANATION
9.42...continued
a
b
c
d
e
- The invention
- was a result of a
- joint
- collaboration
- between the
- two firms.
b
- Mining uranium
- is of great
- economic
- value
- to Australia's
- economy.
c
- It is a
- necessary
- requirement
- that hard hats
- be worn on the site.
d
- An exciting
- new
- innovation
- is the use of
- voice control to
- command the robot.
e
- It was very pleasant
- sitting on the balcony
- watching the
- evening
- sunset.
f
g
h
i
j
g
h
i
j