A: b,a,c
B: friend
to All keyboard coffee computer five P24
OP1:
A:pet cell phones
B:Conversation 1:a,c,d,e
Conversation 2:d
P25
OP2:
cell phone: convenient,easy
e-mail:convenient,easy,fast
mail:affordable
fax machine:fast,reliable
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A:
toaster
microwave
refrigerator
washing machine
4