(I have been doing).
1 Where have you been? Have you been playing (you / play) tennis?
2 Look! (somebody / break) that window.
3 You look tired. (you / work) hard?
4 1 (you / ever / work) in a factory?' ‘No, never.'
5 'Liz is away on holiday.' ‘Is she? Where (she/go)?'
6 My brother is an actor. (he / appear) in several films.
7 ‘Sorry I'm late.' That's all right. (I / not / wait) long.'
8 ‘Is it still raining?' ‘No, (it/stop).'
9 (I / lose) my phone. (you/see)
it anywhere?
10 (I / read) the book you lent me, but (I / not / finish) it yet. It's very interesting.