At the age of ______ King delivered that famous speech called I Have a Dream.

A．With a knife.
B．On the edge of some metal.
C．On some glass.
D．On a piece of paper.

A．It’s amazing that anyone could move so fast.
B．Televisions mark the beginning of modem life.
C．Modern life is changing very fast.
D．It’s hard to remember the past.