問題詳情：
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. (easy).
【回答】
s 2. happily ers 4. her est
知識點：語法填空
題型：未分類
