I didn’t have _____ to say, so I said _____. 

Steve Jobs is in a sense a hero, _______, I think, that will be remembered and honored forever.

Is ____ dangerous to swim in the river alone?

   our textbook ,the English spoken in England in the past is very different from ____ spoken at present.

I’ve just seen no more than one copy of Gone with the Wind in the bookshop opposite. Tom, go and buy ________ back.