A．She lost Sally’s new address.
B．Sally had to move unexpectedly.
C．She’ll be glad to take the mail to Sally’s house.
D．She’s no longer in contact with Sally.

A．Man knows where the society is going.
B．Man can do nothing about the problem of pollution.
C．The speaker is worried about the future of our modern society.
D．People don’t welcome the rapid development of modern society.