1
2
3
4
e
g
b
h
5
6
7
8
c
f
a
d
3
;2;1
(1)erasers
(2)ruler
(3)books
(4)pencil box
(1)this(2)isn't
(3)these(4)they
(5)that(6)is
(7)those(8)aren't
1
、it is;hers
2
、it isn't;It's
3
、they are ;his
4
、 they aren't; They're
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2024-04-28
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