The sentence structure of “I saw him run into the building” is____________.
—When did you ________? —Ten years ago.
—How ____ it is to see you again!—Me, too.
—Why not organize a school trip? — _________.
—The presidents of China and Russia had ____ interview a short time ago.—And it was ____ great success.
------Don’t drive so fast please. There is _________traffic at this time of the day.