(is/are) a very good dancer. The family like their
pets. They (have/has) white mice, three little birds
in a cage and an old turtle. On Sundays the Longs
(go/goes) to the park or to the cinema together.

… is a very good dancer.
The family like their pets. They have white mice, three little birds in a cage and an old turtle. On Sundays and Mondays the Longs go to the part or to the cinema together.