Rewrite sentences whithout changing meaning

rewrite sentences whithout changing meaning:

1.what did she often buy for her child?

->what........................................

2.did she use to listen to the raido when she was young?

->did.....................................................

3.he is more nervous than us

->we aren't..............................

4. they are interested in playing football

->they............................................

5."would you like some tea?"I said to mary

->I....................................................