Choose the appropriate forms of the verb to be to complete the sentences

1. The lights in the Christmas tree [is|are] so bright!
2. Why [is|are] the egg on the floor?
3. The clocks [is|are] striking midnight.
4. — Where [is|are] the keys?
   — My keys [is|are] in my bag, but I don't know where your keys [is|are].
5. Where [is|are] your watch?
6. There [is|are] not any potatoes in the house.
7. Jane wants to know if there [is|are] some money left.
8. [Is|Are] there any Christmas candies left?