Must not and need not use must not or need not to fill the spaces in the following sentences. 1 you . . ring the bell; i have a key. 2 notice in cinema: exit doors . . be locked during performances. 3 you . . drink this: it is poison. 4 we . . drive fast; we have plenty of time. 5 you . . drive fast; there is a speed limit here. 6 candidates . . bring books into the examination room. 7 you . . write to him for he will be here tomorrow. 8 we . . make any noise or we`ll wake the baby. 9 you . . bring an umbrella. it isn`t going to rain. 10 you . . do all the exercise. ten sentences will be enough. 11 we . . reheat the pie. we can eat it cold. 12 mother to child: you . . tell lies. 13 you . . turn on the light; i can see quite well. 14 you . . strike a match; the room is full of gas. 15 you . . talk to other candidates during the exam. 16 we . . make any more sandwiches; we have plenty now. 17 you . . put salt in any of his dishes. salt is very bad for him. 18 you . . take anything out of a shop without paying for it. 19 you . . carry that parcel home yourself; the shop will send it. 20 you . . clean the windows. the window-cleaner is coming tomorrow. 21 mother to child: you . . play with matches. 22 church notice: visitors . . walk about the church during a service. 23 go to the shops today. there is plenty of food in the house. 24 you . . smoke in a non-smoking compartment. 25 police notice: cars . . be parked here. 26 we . . open the lion`s cage. it is contrary to zoo regulations. 27 you . . make your bed. the maid will do it. 28 i want this letter typed but you . . do it today. tomorrow will do. 29 i`ll lend you the money and you . . pay me back till next month. 30 we . . climb any higher; we can see very well from here. 31 you . . look under the bed. there isn`t anybody there. 32 you . . ask a woman her age. it`s not polite. 33 you`ve given me too much. ~ you . . eat it all. 34 we . . forget to shut the lift gates. 35 mother to child: you . . interrupt when i am speaking. 36 if you want the time, pick up the receiver and dial 8081; you . . say anything.