The doctor assured the patient that there was ______ with her, but she could not help worrying.
This special school accepts all disabled students, __ educational level and background.
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.