I didnt want to write them all, lol, so i just took a screenshot :D
Answer:
1) me
2) her
3) us
4) him
5) us
6) us
7) us
8) him
9) him
10) us
11) her
12) us
13) him
14) me
15) us
16) her
17) her
18) me
19) us
20) him
<em><u>#CarryOnLearning</u></em>
Because his curiosity gets the best of him and he wants to stay to see the cave man.
Answer Simplicity
Explanation: Because they were easy
to understand