小学英语1-6年级易错知识点汇总---成都三心学堂家教网
写出下列单词的复数形式1. bus —— buses 2. box —— boxes3. glass —— glasses 4. class —— classes5. watch —— watches 6. mango —— mangoes7. firefly —— fireflies 8. sheep —— sheep9. people —— people 10. man —— men11. woman ——women 12. apple —— apples13. family —— families 14. library —...