A-A+
A．His own ticket for the concert B．Ellen's tic
问题详情
A．His own ticket for the concert,
B．Ellen"s ticket for the concert.
C．Their trip in the summer vacation.
D．The supper for him and Ellen.
参考答案
正确答案：D
解析：本题的关键是固定用法take sb out to dinner，表示“请某人吃饭”，此处表示Bob要清自己和Ellen吃饭。
