Choose the correct item.
1. You can’t / shouldn’t buy any product you don’t really need.
2. He wastes so much energy; he ought/has to at least switch off the light when he leaves the room.
3. I must/ can’t do something to help the environment but I don’t know what.
nina: i will take this exam tomorrow and i`m awfully nervous
. andrew : don`t be nervous, you are fine. you will please the examiners with your english, i`m sure.
nina: you are kidding,aren`t you? will they ask me many questions?
andrew: no,i don`t think so: just two or three.
nina: oh! and will i have to read a text and then translate it?
a.: yes,that`s one of the things everybody does.
n: and will i write anything?
a: i think they will tell you to write some questios on the text.
n: i see.i hope i will have enough time to write the questions.
a: don`t worry,they will give you at least half an hour to get ready.
n: i am going to look through my grammar books this afternoon and practise reading aloud.
a: i hope you will not,stay up late. you should rest well before the exam.
n: i will try to. thanks for you time,andy. see you.
a: see you and the best of luck!