_____ that Mike was sure to be admitted into the art school. [ ]

to nuclear radiation, even for a short time, may produce variants(变异)of genes in human bodies.[ ]

One advantage of playing the guitar is _________ it can give you a great deal of pleasure.

I’m hungry, is there any bread in the fridge– ______，but we have cakes. Would you like to have one

I’m sorry! I would have taken him to hospitalif I had known he was seriously ill— But ______