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book→
books
名词复数有规律，一般词尾加( ).
s
one bus
two buses
This is one bus.
These are two (buses).
one box
many boxes
This is one box.
These are many( boxes).
Let’s do!
A:This is one bus.
B:These are two (buses).
B:These are many watches（手表）.
B:These are many dishes.
A: This is one watch（手表）.
Pr:
A:This is one dish.
look and talk
bus→
buses
box→
boxes
watch→
watches
s,x,ch,sh真有趣 ,末尾( )别忘记。
dish→
dishes