Combine the two sentences to complete the sentences
III.combine the two sentences to complete the sentences
1.the building is very old .He lives there(where)
2.I will tell you something .you didn't know it before(which)
3.I'll never forget the day .I met you then(when)
4.it was cold .however ,tom still went swimming(although)
5.John is very sad .He fails the final exam(because)
6.He never left the house .He had been born there(where)
7.I met the man .He works in a bank (who)
8.here are the letters .they arrived this morning(which)
9.my grandfather is very old .he is still young at heart (although)
10.tom get a lot of money .he works hard(because)