Which one of the following topic is not an appropriate speech topic?
A.On History
B.9 Good Habits for a Good Reader
C.Why should we care about breast cancer?
D.When Online Shamming Goes Too Far
正确答案：A
Which one of the following topic is not an appropriate speech topic?
A.On History
B.9 Good Habits for a Good Reader
C.Why should we care about breast cancer?
D.When Online Shamming Goes Too Far
正确答案：A