They had quarrelled all the time before they_____their engagement.
__ unemployment and crime are high, it can be assumed that the latter is due to the former.
This special school accepts all disabled students, __ educational level and background.
--- Bill, can I get you anything to drink? --- .
He did not regret saying what he did but felt that he ______ it differently.
Compared with his sister, Jerry is even more ____to, and more easily troubled by , emotional and relationship problems.