Заполните пропуски.1. Tom for a foreign company before he

Заполните пропуски.
1. Tom for a foreign company before he to work to our department.
2. Tom at a foreign company before he to work to our department.
3. Tom at a foreign company for 3 years before he to work to our department.
was working, had come
worked, had come
had worked, come
had been working, came