Although it was not named ________ 1782, this kind of metal was used as early as 5300 BC.A.in B.for C.until D.since
—— Are you a visitor here?—— That’s right.I___round the world and now my dream of coming to China___true.
All but one____take part in the conference____tomorrow.
—— Is Tom still smoking ?—— No.By next Saturday he _______ for a whole month without smoking a single cigarette.
I should very much like to have gone to that party of theirs, but _____.
—— Sorry, I forget to post the letter for you.—— Never mind, _____ it myself tonight.