`II)`
`1`. When did you start taking up your hobby?
`**` start + ving/to vinf : bắt đầu làm gì
`2`. We find making models very interesting because we should be creative.
`**` find doing sth adj : tìm thấy làm việc gì đó như thế nào
`3`. I think in the future, people will take up more outdoor activities.
`**` Phải dùng will take up vì có dấu hiệu in the future
`4`. My best friend doesn't like mountain climbing because he is afraid of heights.
`**` like + Ving : thích làm gì , afraid of : sợ cái gì
`5`. My sister enjoys cooking and making new dishes by her own.
`**` enjoy + Ving: thích làm gì = like + Ving