1
2
3
a
f
c
4
5
6
e
d
b
Ping-pong bat
ping-pong ball
从左到右依次为:3;1;4;2
从左到右依次为:3;2;1;4
(1)I; they;you;we
(2)he;she;it;Eric
(1)Do
(2)do
(3)Does
(4)doesn't
(5)Does
(6)does
(7)Do
(8)do
最新
2024-04-28
2024-04-28
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2024-04-28