The car _____ and soon itdisappeared

We haven’t heard from Bill ______________ he left here.

I didn’t understand the ______question, so there was a ______expression on his face.[ ]

(2011·山东)He had his camera ready ________ he saw something that would make a good picture.

What about Mary’s idea?—Very good! But not many people __________ the idea that money brings happiness. [ ]