I’m so sick of the hackneyed jokes on that sitcom. What does Hackneyed mean here?

Arrogant, condescending, snobby

Here (is, are) the folding chairs for your party.

(Is, Are) the eighth grade organizing the school picnic?

A nest of hornets (was, were) in the barn.

From the roof of the porch (hangs, hang) several baskets of flowers.

Subjects and verbs must agree in:

Nutritionists have a(n) ________ that the artificial sweeteners used in diet soda can actually lead to obesity and health problems.

Which vocabulary word would best fit in the blank?

The Puritans were known for publicly shunning ______ pastimes.