A Choose the correct answers We aren’t late We _ hurry must not have to don’t have to Kelly has a cold She _ stay in bed have to has to doesn’t have to You _ touch the painting in the museum must not don’t have to have to B Complete the sentences with have to or must not ① ② ③ ④ You _ run in the hallway He _ wash his hands She _ take pictures They _ cross at the crosswalk C Correct the underlined words We aren’t late We not have to run _ You have a test You must watch too much TV _ His house is far from school He have to take a bus _ You have bad grades You must not study hard _ < Answer Key> A B must not has to must not Grammar Space Beginner B2 Unit 20 have to C don’t have to must not has to must Grammar Space Beginner B2 Unit 20