She usedto when other people are talking

I met a friend of mine _________ I was walking alongthe street.

Unwilling to give up slavery, the South_____ from the Union and set up a state of their own, resulting in the American Civil War. [ ]

We should discuss the possible______ we can take of the present financial crisis.

My mother says that we won’t go on a trip to Hong Kong.—- _________. You were looking forward to it.