1. On the year 2030 ,/ robot / be ableto do all / housework instead/ us.
⇒In the year 2030,robots will be able to all housewwork instead of us.
2. They / enjoy / stay/ a farm / during / summer / vacation/.
⇒They enjoy staying on a farm during summer vacation.
3. We / shouldn't/ throw / rubbish/ the street/
⇒We shouldn’t throw rubbish on the street.