15.
A. Stay away for a couple of weeks.
B. Check the locks every two weeks.
C. Look after the Johnsons' house.
D. Move to another place.
16.
A. He would like to warm up for the game.
B. He didn't want to be held up in traffic.
C. He didn't want to miss the game.
D. He wanted to catch as many game birds as possible.