Only after staying in England for a few weeks did Li Lei become used ____ Chinese

33It was not until one night_____we were doing our cleaning-upIgot curious and wanted to see what was on the top floor

There is a great deal of evidence____thatmusic activities engage different parts of the brain. [ ]

My mother often tells me not to ________ or not to look down upon others.

We can always see how much time has passed when appreciating old photos,_____