Complete the questions. Use the present perfect simple or continuous form

Complete the questions. Use the present perfect simple or continuous form of the verbs in the box.
1. Nice phone, Jake. How long............. it?
2. I didn't know you could water ski! How long................ that?
3. I hear you want to buy a new sound system. How long........... for it?
4. You didn't tell me you'd passed all of your exams! How long.........?
5. That film file is huge! How long......... it?
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