Ответ:

1 It can be very worrying when you're in a lot of debt.

2 Can I pay for this by cheque?

3 Did you see that the house next door is for sale?

4 They took ten per cent off because I paid in cash.

5 We need to find an office for rent in the centre of town.

6 I got quite a lot of money for the car because it was in such good condition.

Объяснение:

be in debt - быть в долгу

pay by cheque - оплачивать чеком

for sale - продаётся

pay in cash - заплатить наличными

for rent - в аренду

in good condition - в хорошем состоянии