用所给词的适当形式填空。1. My sister is a _____________ (dance), she _____________ well.
2. Does the woman _____________ (do) some _____________ (clean) in the evening?
3. The old men work on a farm , they are _____________ (farm).
4. Miss Li is a _____________ (sing), she often _____________ in English.
5. My mother is a _____________ (write), she _____________ books at home.
6. Marie Curie is a famous _____________ (science). 1. dancer, dances 2. do, cleaning 3. famers 4. singer, sings 5. writer, writes 6. scientist