The old man had a son and a daughter, ____ treated him well, _____ greatly disappointed him.
The failure was a big ________to him, but he wasn't discouraged and soon got as enthusiastic as ever.
It was________of Michael to inform us of his delay in case we got worried.
_______A common memory they all have their school days is the school uniform.
The research group produced two reports based on the survey, butcontained any useful suggestions.
we understand things has a lot to do with what we feel.