There are 42.4 million immigrants now living in the United States, and the number __________________ bigger, (get)

5. There are 42.4 million immigrants now living in the United States, and the number __________________ bigger. (get)
6. I need to go home now because the movie _________________on the HBO channel in 30 minutes. (play)
7. The rules of getting green cards to become a US citizen ____________________over the past several years. (change)
8. We need to be quick, or we will miss Ms. Joan’s class which __________________in 5 minutes. (start)