—What do you mean by saying that?—I think you _______ what I said. I meant no harm.
. ___ to nuclear radiation, even for a short time may produce variants(变异体)of genes in human bodies.
Michael never dreamt of ____ for him to be sent abroad very soon.
Once your business becomes international, ___ constantly will be part of your life.
I can hardly imagine such a little boy ___ across the Nile.
Jack, have you ____ your mid-term examination?