1,There are 42.4 milion immigrants now living in the United States,at the number_____bigger(get) 2,The rules of getting green cards to become a US citizen_____past several years(change) 3,I need to go hme now because of the movie____on the HBO chanel in 30 minutes(play) 4,We need to be quick,or we will miss Ms.Joan's class which________in 5 minutes(start)