Unit 3 Lesson 14 At the Store 习题21、 写出下列名次的复数形式book_bike_shoe_toy_dress_二、给单词找家dress teddy bear shoe skirt apple Mickey Mouse pear Clothes shopToy shop Fruit shop 三、连词成句I May you help?_dresses are Where the?_I at the shop buy shoes._show Ill you._