It was not until the 1960s and 1970s             archaeologists made real progress in understanding the script.

What do you think ______ makes the English version of the musical Notre Dame de Paris different from the previous ones?

It was in the garden of his old house ______ he grew up ______ he dug up a pot of gold.

Is it, in your opinion, possible       new measures will be taken to improve the terrible traffic?

I really didn’t understand____ made my son so sad this morning.

Was it in 2002 __________ he was still at middle school __________ the boy became expert at computer?

It was when searching for the lost book whose cover was missing ______ a secret letter addressed to his mother.

Why? I have nothing to confess(坦白). _________ you want me to say?

It was ______ back home after the experiment.

Was it because of the heavy snowstorm in Europe ________ the flight had to be put off？