His sister had become a teacher , ______ was what he wanted to be.
Don’t ______ a person only because he has failed in an examination.
Though we spent a lot, we think it _____ because we succeeded in the end.
She won a Nobel Prize for her scientific ______.
The flowers ______ my mother, but my sister thought they were for her and took them.
At home, he keeps some pets,to which he ______ all his spare time.