Выберите правильный вариант ответа. (цифра-слово)

1. If Rita opens /will open a boutique in the High Street, she’ll make lots of money.

2. If the economy doesn’t improve, lots of businesses will close / would close down.

3. This burglar alarm is so sensitive: it goes off if a mouse runs / will run across the floor.

4. George may go to prison unless he won’t pay / pays his taxes.

5. The company was / would be more successful if it spent more money on advertising.