Answer:
- Work out
- Hold up
- Cut up
- Go on
Explanation:
A compound verb is a verb that that comprises of more than one word.
The appropriate form of the compound verb for each sentence is:
1) Scientists still haven't worked out what caused the death of the animals.
2) Two men held up a supermarket last night and stole 2000.
3) Always cut up the meat for the dog, otherwise it will choke on it.
4) Once you have finished cleaning, you can go on with your job.
