写出下列单词的复数形式。(10分)
(1)sheep________ (2)hen________
(3)cow________ (4)goat________
(5)pig________ (6)duck________
(7)potato________ (8)tomato________
(9)onion________ (10)horse________
写出下列单词的复数形式。(10分)
(1)sheep________ (2)hen________
(3)cow________ (4)goat________
(5)pig________ (6)duck________
(7)potato________ (8)tomato________
(9)onion________ (10)horse________