find and correct the mistake.
1. the custom dates back to the period when many londoners travel on horseback.
2. we don't have any milk left. we have run in of milk.
3. other cooking technique discovered was the barbecue, akind of salted and smoke-dried meat over a fire.
4. the size of the pupil, according to psychologists, is effected by mental activity.
5. dr brown was honored by an award for his excellent work in the medical profession.
6. you waste too much time doing things as sitting in cafes all day.
P/s: làm và gt giúp e ạ
1. travel -> traveled
2. in -> out
3. other -> another
4. is effected -> affected
5. by -> with
6. as -> like