Ex1:1. We all find painting interesting because it's a creative activity.--> We all think -------------painting is interesting because it's a creative activity--------------------------------2. His hobby is collecting toy cars.-> He collects -------toy cars because that's his hobby----------------------3. It isn't necessary to finish the work today.-> You don't -------need to finish the work today---------------------------------4. When did you start your hobby?-> How long --------have you started your hobby?---------------------5. Why don't we go swimming this afternoon?-> What about ------------going swimming this afternoon------------------------Ex2:1B2A3C4C5CCâu trả lời: Ex1:1. We all find painting interesting because it's a creative activity.--> We all think -------------painting is interesting because it's a creative activity--------------------------------2. His hobby is collecting toy cars.-> He collects -------toy cars because that's his hobby----------------------3. It isn't necessary to finish the work today.-> You don't -------need to finish the work today---------------------------------4. When did you start your hobby?-> How long --------have you started your hobby?---------------------5. Why don't we go swimming this afternoon?-> What about ------------going swimming this afternoon------------------------Ex2:1B2A3C4C5C