Помогите решить ангилйский

1) Demanded quality of all goods is reduced by low income
An important contract was signed by us today
A secretarial course is taken by her at present time
Applicants are being interviewed now by the personnel manager
The product was delivered in time by the firm
2) the firm would gain much profit, if it delivered products on a 24 hour basis
They've had problems with their jam line, before they introduced (before introducing) new machinery
Retailers buy small numbers of products and sell them to individual customers
The stockholders haven't had their annual meeting yet
We'll make a breakthrough on the European market in five years
3) to cut down staff, to set a price for goods, request a loan, creditworthy company
Нанимать на неполную занятость, предлагать клиентам более низкую цену на некие продукты, получить сумму денег на(для), предоставлять кредит под маленький процент .
4)nice /nicer /the nicest
Interesting /more interesting / most interesting
Cosy/ cosier/ cosiest
Little/ less/ least
Big/ bigger/biggest
Convenient/ more convenient/ most convenient