II.Rewrite the following sentences using if 21.We don't have a big house.We can't invite friends to stay. 22.The flats are not clearly numbered,so it is very difficult to find anyone. 23.City life isn't enjoyable because everything is very expensive 24.We don't use public bus service,we will not get rid of pollution in the city. ❤️♥️?

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21. If we had a big house, we could invite friends to stay.

22. If the flats were clearly numbered, it wouldn't difficult to find someone.

23. If everything wasn't expensive, city life would be enjoyable.

24. If we don't use public bus sevice, we will not get rid of pollu tion in the city.

$21.$ If we have a big house, we can invite friends to stay.

$22.$ If the flats are clearly numbered, it will not be difficult to find anyone.

$23.$ If everything is not expensive, city life will be enjoyable.

$24.$ If we use public bus service, we will get rid of pollution in the city.