Unit 14 单元测试题 一. 根据句意用括号中所给单词的适当形式填空。 1. I’d like a pair of ________, please (shoe). 2. They talked on and on very ______ (happy). 3. The _____ are building a tall building. (work) 4. This bag isn’t Lucy’s , It’s ______ sister’s. (she) 5. The first lesson is the ______ of all. (ea