Card No 21Put in 039;mustn039;t039; or 039;don039;t / doesn039;t have to039;:1)

Card No 21
Put in 'mustn't' or 'don't / doesn't have to':
1) We have a lot of work tomorrow. You -------be late. 2) You -------- tell anyone what I just told you. It's a secret. 3) The museum is free. You --------- pay to get in. 4) Children ------ tell lies. It's very naughty. 5) John's a millionaire. He --------- go to work. 6) I --------- do my washing because my mother does it for me. 7) We --------- rush. We've got plenty of time. 8) You ------------ smoke inside the school. 9) You can borrow my new dress, but you ---------- get it dirty. 10) We ------------ miss the train, because it's the last one tonight. 11) She --------- do this work today, because she can do it tomorrow. 12) I --------- clean the floor today because I cleaned it yesterday. 13) We --------- forget to lock all the doors before we leave. 14) We ---------- stay in a hotel in L.