题目

 ______ the morning of the wedding ceremony, the bride and groom have to serve tea to their parents.    A. In         B. At         C. To         D. On 答案：DA: What a nice camera!1                         B: It was invented by Joseph Nicephore Niepee. A: Oh, I see.2                                B: In 1827. A: What’s this in English? It looks like a recorder. B: It’s called an English Learning Machine. A: 3                                  B: It may be made of steel. A:4                                 B: It is used for helping us to improve our English. A: Thanks for telling me so much. B:5