Помогите с английским пожалуйста,нужно вставить подходящие выражения
Complete the sentences by choosing suitable linking word from the box below:
provided that, supposing, unless, in case, as long as, so long as

1) We’ll pay them more money ___ they work harder.
2) We won’t give them longer holidays ___ they promise to be more productive.
3) We won’t shorten their lunch-break ___ they agree to start earlier.
4) We’ll have to improve safety standards ___ someone has an accident.
5) We’ll consider providing better working conditions ___ we have enough money.
6) ___ we introduce a shorter working week, how will we make a profit?
7) We’ll include worker representatives in the Board of Directors ___ they’re trained to manage.
8) We’ll let some of full-time workers stay with us ___ they agree to be lower-paid.