17.
A. Jack makes a mistake in his office.
B. Jack is all dressed up in black.
C. Jack has no taste in choosing clothes.
D. Jack's jacket doesn't go with his trousers.
18.
A. She is going to an exhibition abroad.
B. She is going to a wedding ceremony.
C. She is going on a voyage over the Pacific.
D. She is going to an art museum.
