—Robert is indeed a wise man.—Oh, yes. How I have regretted ____ __his advice?
______ all our efforts, we still lost the game.
The boy the teacher considered ______ was caught ______ in the exam, which surprised us very much.
. In my view, the best friend is one with whom ______ your sorrow and joy.
Our city has developed into a big city, which is ______ it used to be.
Whatever he promises, you can’t ______ anything.