专项练习
写出下列单词复数:
1.child---- 2.man---- 3.sheep----
4.metre---- 5.potato--- 6.tomato----
7.photo---- 8.life---- 9.winner----
10.chicken---- 11.kid---- 12.this----
13.month---- 14.people---- 15.egg----
17.sweet---- 18.bread---- 19.sport----
20.fish----
写出下列词语的缩写形式:
1.number--- 2.let us---
3.there is --- 4.