in which of them you could use unless.

1 if/I give this phone / charity / they find someone who needs it
2 if / this tap not stop dripping/how much water / we waste in a day?
situation / become worse / if they not change behaviour
4 Look - battery full!/if you not disconnect charger / you waste energy
5 if she read this book / she understand situation better
3​

Hello!

hi!

Do you know that our cousine Pavel is going to visit us?

yes. I know. I will go to the airport to meet him.

When will he arrive?

He will arrive in two days.

How long will he stay?

Boris! It is not polite. Pavel is our relative.

Sorry! I don't know him and i have never seen him before. What does he look like?

he is tall. He has fair hair and green eyes. He is slim.

How old is he?

he is 17.

cool! Does he do any sports? we can go to our sport club!

Of course. I think he will like it. He likes sport.

We can also go to the concert. What kind of music does he like?

He likes rock and jazz. Do you know that he plays the guitar in a local group.

Oh! cool! 

He is a very interesting person! he is clever and kind.

IS he merry?

of course. he has a lot of friends. He likes to visit different parties.

that's good. I will go to the airport with you

ok. we'll go together!

 

 

1. She usually wears trainers every day, but now she wear high heels
    She wore trainers all the last week, but today she wear high heels.
2. He usually watchs TV every day, but today he read a book.
    He read a book every day, but this evening he decided to watch TV.
3. They usually wear blue shirts every Sunday, but today they wear the green ones.
    They wore blue shirts last Friday, but now they wear the green ones.
4. We usually go swimmig every Saturday, but today we have a panic.
    We usually go swiming every week, but we had a panic the last time.