请听下面一段读白。从题中所给的A、 B、 C、三个选项中选出最佳答案。
1. Why did Wu Dong go to London?
A. To spend his holiday.
B. To see the Green family.
2. When did Wu Dong leave for London?
A. On July 30.
B. On June 30.
C. On June 20.
3. How old is Rose?
A. 10.
B. 13.
C. 15.
4. Who took Wu Dong to visit some interesting place?
A. Mr. and Mrs. Green
B. Jim
C. Rose
