Answer these questions using the given words

1. Have your parents gone home?

I don't know (where) [ ].
2. Is your boss in the office?

I don't know [ ].
3. Is the cathedral very old?

I don't know [ ] .
4. Will Ted be here soon?

I don't know [ ].
5. Was Mr.Black angry because I was late for the Math exam?

I don't know [ ].
6. Have Tim and Kate lived here a long time?

I don't know [ ].