Answer the following questions according to your real life ?

1 When did you start learning English ?

I learn English three years ago。
2. How long have you been studing science ?
For three years。
3. How long have you been doing English homework today? An hour。

1、When I was 13 years old.当我十三岁时。
2、5 years.五年。
3、Half an hour.半小时。

望采纳。