Вставить местоимения где это нужно. 1. The pharmacist with I

Воткнуть местоимения где это необходимо.

1. The pharmacist with I am going to the congress is a very nice and
intelligent person.
2. Because humans do not store most vitamins in bodies, a human must
consume regularly to avoid deficiency.
3. has been working at his thesis dedicated to rare pharmaceutical processes
for ten years.
5. Various elements differ in chemical and physical properties.