A、ctivity
B、generation
A、try
B、ry
C、right
A、toilet
B、say
C、monkey
A、pat
B、pen
C、pit
A、at
B、hen
C、hate
A、ide
B、ride
C、ird
A、ourteen
B、lephant
C、ifteen
A、rab
B、rime
C、ream
A、short
B、long