Rewrite these sentences: How high is that building? This year is 2017 and he is fifteen. Playing chess was my hobby when I was young. The film interested me a lot

Rewrite these sentences.
1. How high is that building?
-> What ...............................?
2.This year is 2017 and he is fifteen.
-> He .........................................
3. Playing chess was my hobby when I was young.
-> I ............................................
4.The film interested me a lot.
-> I ......................................