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