Fill in the blanks with the suitable verbs from the box. Change the forms of the verbs

1.sing
2.enjoy
3.stop
4.see
5.
6.arrive
7.go
8.pass
9.serve
10.enter
11.feel
12.laugh
13.observe
14.queue
15.watch
16.
17.scream
18.sleep
19.
20.walk