Question

Помогите с заданиями №3 и № 8. Спасибо.

Answer 1

№3
1A waste disposal is an electrical machine  connected to a kitchen sink that cuts up food waste so that it will flow easily through the pipes.
2A mower is a machine  that cuts grass or other plants that grow on the ground.
3A microwave is a kitchen appliance that heats and cooks food by eposing it to microwave radiation.
4A vacuum cleaner is a device that creates a partial vacuum to suck up dust and dirt from floors and other surfaces.
5Household appliances are electrical or mechanical machines which accomplish some household functions such as cooking or cleaning.
№8
1were discussing,didn't notice
2was working,have been trading
3 had been experiencing
4has been damaging the envioronment