When he got to ______ top of the mountain, he was almost out of ______ breath
--- How much do you know about the 3D film technology? --- A little. Not until ________ the hot movie Avatar ________ some about it.
—Last night Ted was late for the party again. —You know, ______.
If you _______ this newspaper, you’ll get an extra magazine.
I still find the story Tom told us is very interesting but _____.
_______ the secret of nature, the young scientist has little time for entertainment.