两个英语合并句子题~十万火急!

问题描述:

两个英语合并句子题~十万火急!
Join the two sentences,you nedd to add commas to most!
1.The operation was performed in a famous hospital.My grandfather's hearing improved.
2.When I went on a tour round China,I saw many historical sites.It was very exciting.

1.The operation was performed in a famous hospital.My grandfather's hearing improved.
〓> My grandfather's operation was performed in a famous hospital and his hearing improved.
2.When I went on a tour round China,I saw many historical sites.It was very exciting.
〓> I saw many historical sites when I went on a tour round China which was very exciting.