Viết câu nghĩa không đổi 1. I am keen ôn following good traditional. I like........ 2. If people don't care much about environment,they will keep making it worse. Unless.....

1. I am keen on following good traditional.

->I like following good traditional.

(keen on =like)

2. If people don't care much about environment,they will keep making it worse.

Unless people care much about environment,they will keep making it worse.

(If don't=Unless)

1 I like following good traditional.

`-` be keen on + Ving `=` like + Ving : thích làm gì.

2 Unless people care much about environment, they will keep making it worse.

`-` Biến thể điều kiện loại 1 : Unless + S + V + O , S + will/can + Vinf + O.