С!
fill in the blanks using ever, never, just, already, yet, since or for.
have you been on a business trip?
haven't you finished your project no, i am still working on it.
have found a job? no, i’m unemployed at the moment.
i work for a big company. i have been self-employed.
he found a part-time job.
he’s been a shop assistant he immigrated.
brian has been a manager a year.