is in hospital— Oh, really I _____________ know I_______________ go and visit her

_____, he makes little progress. So he is trying new methods of study. Which of the following is WRONG? [ ]

I was giving a talk to a large group of people, the same talk I _____ half a dozen other groups before.[ ]

Little Bob is often educated by his parents to be good and friendly to anybody even if ________

All the names of theguests are ______ in the list. I don’t forget any of them.