A．Industrial workers earn income from their factory business.
B．The percentage of industrial workers in the labor force is declining.
C．The payment for industrial workers is gradually decreasing.
D．Industrial workers are paid differently from service workers.

A．She thought there were no tickets left for the show.
B．She thought the seats on the left side were fully occupied.
C．The show was planned a long time ago.
D．The audience were deeply impressed by the show.