Why does the author think that sixteen is the key, crucial and natural age？
Adults would tike to be young.
B. Sixteen-year-olds do not waste things.
C. Sixteen-year-olds read newspapers.
D. Sixteen-year-olds will be fighting soon for adults.
A．He decided not to Cancel his appointment.B．His new glasses aren't comfortable.C．He's
A. He decided not to Cancel his appointment.
B. His new glasses aren't comfortable.
C. He's too busy to get a checkup.
D. He has to check when the appointment is.
【S9】
A. taken
B. made
C. put
D. kept
【S14】
A. On the contrary
B. On the other hand
C. In addition
D. At last
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