Ответ:
1. The children are enjoying themselves at the party.
2. We want to do this task by ourselves
3. Why don`t you do it yourself
4. I used to do all the gardening by myself
5. He usually goes for a walk by himself
6. They painted the house by themselves
7. This computer is too old. It keeps switching off by itself
1. I have a sore throat and it`s difficult for me to swallow.
2. I have a high fever and I need to lie in bed and take aspirin.
3. – I have a terrible headache. – You should take a painkiller to make yourself feel better.
4. I cut my finger when I was chopping the meat with a knife.
5. I have a terrible toothache. I am going to see the dentist tomorrow about it.
6. I have sprained my wrist when I was playing football.
7. I have twisted my ankle when I was jogging.