Образуйте пожалуйста вопросительную и отрицательную форму предложений. Переведите на русский язык.
1.The receptionist answers the phone every day.
2.The Managing Director goes on a business trip every month.
3.They discuss the price and terms of payment at their meeting once a month.
4.Тhe Personnel Officer is responsible for hiring and firing in our firm.
5.The company specializes in producing some food and drinks.
6.My friend's company invests significant sums in promotion every year.
7.They discuss many problems very often.