Answer:
1) after
2)if
3)as soon as
Step-by-step explanation:
1)this is because it is an action going to be done in the future
2)this is because it is a possibility depends on your choice could be (after) but it's not a must that's why I chose if
3) it is an action that's going to be done because they are not at the place required to do it so that was the best Answer