Question

Tiếp :
3.community / organise / activity / once a month 
4.they / walk / along / beach / and / collect / all  / rubbish 

Answer 1

3 .The community organises this activity once a month
4.They walk along the beach and collect all the rubbish

Answer 2

3.community / organise / activity / once a month 

The community organises this activity once a month.
4.they / walk / along / beach / and / collect / all  / rubbish 

They walk along the beach and collect all the rubbish.

Answer 3

 

3.community / organise / activity / once a month 

=> The community organises this activity once a month
4.they / walk / along / beach / and / collect / all  / rubbish

=> They walk along the beach and collect all the rubbish