Give the correct form of the words in brackets

1. It is parents’ duty and ... to join hands to take care of their children and give them a happy home. (reponsibility)
2. I would like to express my ... to everyone for their hard work. (grateful)
3. The measures should help create jobs and ... the economy. (strong)
4. He needs all the support and ................. he can get. (encourage)
5. she cleans up ... after she has finished cooking. ( spotless)
(kèm theo lời giảI thích)