A: Why ___ penguins (live) in cold places?
B: Because they (need) cold temperatures to survive.
Why do penguins live / they need
A: Why are you staying at your cousin’s place?
B: I (renovate) my apartment this month.
I am renovating
A: How long ___ you (work) at this company?
B: I (be) here for seven years.
have you worked / I have been