听下面一段材料, 回答第1~3题. 1. What did George's sister do yesterday? A. She looked after her baby. B. She stayed at home all day. C. She did some shopping. 2. What did the woman invite George to do yesterday? A. To ask him to a concert. B. To go on a holiday with him. C. To invite him to dinner at home. 3. Where did George see Mary? A. At the office. B. At the concert. C. In his sister's home.