几道英语单选题,

几道英语单选题,
1.The famous singer and dancer _____ in Heifei now.
a.is b.are c.be d.come
2.There is _____ milk in the bottle.
a.not b.not a c.not some d.no
3.- What can I help you?
- I want some potatoes.Give me there big ____.
a.some b.any c.many d.ones
4.- Where ____ the Browns?
- _____ go to Shanghai.
a.is;He b.are;They c.is;They d.are;He