Complete the sentences with the correct form of the verbs in brackets. Use the Present Perfect Simple or Continuous.

We haven’t been waiting (not wait) long. In fact, we have just arrived (arrive).
1 I ____________ (not have) any time for leisure because I ____________ (work) very hard recently.
2 Liam ____________ (listen) to new songs all day and he ____________ (choose) the best songs for the new album.
3 Sam and Cynthia ____________ (not go) out very long. They ____________ (know) each other for a month!
4 How long ____________ (you / study) Spanish? ____________ (you / receive) any official certificates?
5 They ____________ (look) for a birthday present for their niece but they ____________ (not buy) anything yet.