Put the verbs in brackets into the present perfect tense

 Put the verbs in brackets into the present perfect tense.
1. I just _______ (finish) my homework.
2. They _______ (live) in the countryside for 15 years.
3. You ever _______ (be) to Hue Citadel ?
4. I _______ (not) see her for ages.
5. This the highest hotel that ever _______ (see).
6. A lot of people _______ (become) rich recently.