Many of us have a strange sense that we do remember feeling as if we _________in a dream, but can’t quite recall the details.

It has been announced that candidates ______ remain in their seats until all the papers have been collected.  

—— I didn’t see her yesterday. —— Oh, but you ＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿. 

He did not regret saying what he did but felt that he ______ it differently.

—Perhaps John's not in.—______.Look，the light's on.