A．She kept track of her students' progress.
B．She gave her students advice on their careers.
C．She attended her students' college graduations.
D．She went to her students' wedding ceremonies.
A．Students' respect is the best reward for teachers.
B．Hard-pushed students are more likely to succeed.
C．Pressure on students from teachers should be reduced.
D．Teachers' knowledge is the key to students' achievements.
A．Reliable and devoted.
B．Tough and generous.
C．Proud but patient.
D．Strict but caring.
A．Sudden population increases in early states.
B．Possible reasons for the formation of early states.
C．Consequences of agricultural land shortages in ancient Egypt.
D．Common political problems of tribes.