3
a tactless
b outgoing
c unsure
d modest
e narrow-minded
4
a I'm thinking
b reminds
c aren't smiling
d are you taking
e are you showing
f don't know
g don't understand
5
1 have known
2 have been living
3 have been talking
4 have decided
5 has had
6 have been arguing
7 has started
8 hasn't told