--- What a pity! Leo missed the football match.
--- ______. He was busy with his schoolwork.

Not until he promised to return it to me as soon as possible ____ my electronic dictionary to my classmate.

That was really a splendid evening.  It’ s years _____ I enjoyed myself so much.

Not until he went through real hardship ______ the love we have for our families is important.

It was not until near the end of the letter ______ she mentioned her own plan.

“ Have you ever been to Beijing?”  “No, but I wish I________.”

Was it in 1997______he was still at middle school_______ this boy became an expert at computer?

------What do you think made Mary so upset?
-------- _________her new bicycle.

________was most important to her, she told me, was her family.

-- I didn't realize how popular the restaurant was until I made a reservation the other day.
-- I beg your pardon, but when __________?