He once worked out a plan for the project; ______, most people didn’t agree to it.

Those who do exercise _____ in our club have showed amazing improvements in health and weight.     

Professor White has written some short stories, but he is________known for his plays. 

Carl wanted to play a joke on Bob but gave himself _____ by laughing.

We don’t have to keep these old chairs any more. ________, they are falling apart（支离破碎）.