1.
a. leisure
b. yell
c.habit
d.shy
e.party
2.
in the first picture there is a crowd at a party they are dancing
in the second picture people volunteered for collecting garbage that was on the floor during their spare time
in the third picture teenagers are able to keep in touch by text messages so they do not really communicate in the real life as we can see
3.
a. hobby
b.app
c.popular
d.keep in touch