Answer :
1.Commerce....formal
2.What's up....informal
3.May be....informal
4.Thanks...informal
5.Patrons...formal
6.Banquet....formal
7.Grant....formal
8.Do you fancy...informal
9.Engage....formal
10.Say grace....informal
11.Presence....formal
12.Resume....formal
13.Apprehended....formal
2.What's up....informal
3.May be....informal
4.Thanks...informal
5.Patrons...formal
6.Banquet....formal
7.Grant....formal
8.Do you fancy...informal
9.Engage....formal
10.Say grace....informal
11.Presence....formal
12.Resume....formal
13.Apprehended....formal