There were/ There was

___ a big party at my house last weekend.

___ many people at the concert yesterday.

___ a delicious cake on the table this morning.

___ any problems with the project?

___ three dogs in the park.

___ a lot of traffic on the way to work.

___ two new students in class today.

___ a surprise for my birthday.

___ several interesting books in the library.

___ no milk in the fridge last night.