.---Would you have told him the answer had it been possible? .---I would have, but I _____ so busy then.
__________ from heart trouble for years Mr. White has to take some medicine with him wherever he goes.
The room is very large and only little room_______ by the new piano.
How dirty the windows are! They really require _______.
The professor________ the perfect return of Shenzhou 7 in 2008______ “the most exciting thing in history” in his speech.
Don’t________ that all those who get good grades in the entrance examination will prove tobe most successful.