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.

--I once got lost during my first visit to Beijing. -- Oh, did you? You ____ me as your guide. 

It has been announces that all takers ____ remain in their seats until all the exam papers have been collected.

---You _________to our Mom like that. It was awfully impolite. ---You are right. I must have been crazy at that moment.

 Don’t handle the vase as if it ____ made of steel.