Indefinite pronouns and articles(some,any,a,an)

Choose the correct answer. There are ___ pens in my bag.

Choose the correct answer. Have we got ___ homework for tonight?

Choose the correct answer. Can I borrow ____ pen?

Choose the correct answer. There isn't ___ cucumber.

Choose the correct answer. There isn't _____ bread in the fridge.

Choose the correct answer.I don't want _____ olives in my sandwich.

Choose the correct answer. It's _____ sandwich.

Choose the correct answer. Can I have ____ cheese and cucumber sandwich, please?

Choose the correct answer. We have to write _____ essay.

Choose the correct answer.We can make _____ fresh sandwiches.