1.relaxing vacation
2.in December
3.on the 12th
4.go sightseeing
5.think of
6.go fishing
7.rent videos(CDs)
8.decide to do
9.different subjects (affairs)
10.the Great Lakes
11.famous film star
12.enjoy yourselves/have a good time/have fun
13.look after/take care of my younger broyher temporarily