Europe has achieved more in controlling the AIDS virus than Asia in the past ten years, ______ the number of people infected with the virus is going up sharply.
She won a Nobel Prize for her scientific ______.
The flowers ______ my mother, but my sister thought they were for her and took them.
Michael is ______ because he never takes any exercise.
She’s tired of acting, and she _______ changing for a new job, but she hasn’t made up her mind yet.
At home, he keeps some pets,to which he ______ all his spare time.