Заполните пропуски в предложениях конструкциями there is/ there are или itis:

a) it is a simple plan.b) there is a big park in the town.c) it is time to start our work.d) it is five p.m. already.e) There are all conveniences in our house.f) it is quite warm in the bedroom.g) there are some lights on the walls.h) there is a CD-I player in his car.i) it is my cat.