Which of these following sentences is wrong?

Write the correct answer using 'There is' or 'There are'! ____ some biscuits in the cupboard.

Choose “There are" or "There is “ to fill the blank!   ____ some viruses in that computer attack my files.

Fill in the blanks with enough, none or some. May I have ____ paper?

Complete the sentence with 'some' or 'any'. There aren't ____ children in the park.

Tyas: How much rice ____ in the box? Wahyu: About fifty kilograms, I guess.