choose
1- I want to work ……………. perfecting my own style before trying anything new .
a) on b) out c) against d) for
2- Can you work …………….. how much it costs to feed the average family ?
a) on b) out c) at d) up
3- His has been working ……………. this firm for ten years .
a) for b) up c) out d) into
4- He has been working ………………. this firm for ten years .
a) for b) up c) out d) into
5- Try to work ……………. few jokes when you are preparing your speech .
a) in b) out c) for d) up
6- It took years to work ……………. a successful acting in this form of theatre .
a) in b) up c) out d) at
7- The safe load for a truck of this size works ………. at nearly twenty tones .
a) on b) out c) for d) in
8- The scientists are still working …………….. inventing new methods of reaching outer space .
a) out b) for c) on d) in
9- Father is still trying to work …………………. his tax .
a) against b) up c) on d) out
10- He might accept out suggestion if someone works …………… him properly .
a) in b) for c) at d) on