It took seven years __________ they finally got married.

The students asked me ____________ going to be held.

___, but he still couldn't understand the logical connection of the two subjects．

What was it ________ he was so eager to get?

He had little idea that it was getting so late, _____?

_______ on your study, and you will make greater progress．

The hospital nearby has just got a , ______ you’d call it, er……a scanner.

___________ was no doubt __________ someone had broken into the store the day before.

Lucy was so excited _______she received an invitation from her friend to visit Beijing.            

I arrived home at midnight, _______ my parents had been waiting for nearly three hours.