A:Did you attend Mary's wedding?
B:Yes,I( did )（do).
A:How many people( attended )(attend)her wedding?
B:There( were )(be)about sixty/
A:Where( did )(do)the wedding hold?
B:In the St.Peter's Church.
A:How much( did )(do)she spend on her marriage?
B:I(do )(do)not know.
A:I guess she( has spent )(spend)much