Key takeaway
The choice of pronoun depends on the subject of the sentence and whether it refers to a person, thing, or group. Reflexive pronouns like 'themselves' and 'himself' are used when the subject and object of the sentence are the same.
Answers:
- Children did their home task by themselves.
- Simone asked us to clean the park.
- The teacher has given them tasks for summer.
- The student did the work by himself.
- Mum has bought me a beautiful dress.
- The chemist invented his own method of work.
- John has shown her a nice picture.