—Ann is in hospital.— Oh, really? I ______ know. I _______ go and visit her.
Can you tell me the name of the school ______ you visited last week?
The doctor ______ a cure for the disease .
You really don't know what we ______ while we were working on this project .
Father went to his doctor for ______ about his heart trouble .
I really don't know______ I had my money stolen .