Complete the sentences. Use the present perfect simple or present perfect continuous form of the verbs in brackets. (5)
1 They ___________ of moving house recently. (think)
2 He _________ all the complex guitar chords. He can play anything now. (learn)
3 How many jobs _______ she ______ since university? (have)
4 Anna __________ her hair colour again. It's bright red now. (change)
5 We _________ an extension onto our house, but it's only half-finished. (build)