Put the verbs in brackets into the Past Simple or the Present Perfect Tense.
1) Tina looks great! ... she ... (to lose) weight? Yes, she She ... (to be) on a diet for a month already. She... (not to look) so attractive a month ago.
2) Why ... Nora... (to run) out of the room?... you... (to tell) her anything offensive, Edwin? - No, I Somebody ... (to phone) her a minute ago and perhaps ... (to tell) some bad news. A worried expression ... (to cross) her face and she ... (to run) away without a word.
3) Who... (to design) this dress? You look terrific in it, Pam! - Well, I... (to buy) it in a famous designer fashion house a week ago.
4)... Jack ever ... (to ask) you about your parents? - Yes, he He knows that my parents... (to die) in a car accident when I... (to be) four years old.
5)... you... (to recognize) Martin yesterday? No, I ... . He... (to change) a lot since we ... (to leave) school. He... (to put) on weight and ... (to grow) a beard.
12. Why (have you been making) such a horrible noise? - I (have lost) my key and I (have been trying) ro wake my sister by throwing stones at the window. - You (have been throwing) stones at the wrong window.
13.That man (has been standing) at the busstop for the last half hour. Shall I tell him that the last bus (has already gone)?
14. You look exhausted! - Yes, I (have been playing) tennis and I (have not played) for years, so I'm not used to it. 15. George (has been collecting) matchboxed since he left school. Now he (has collected) so many that he doesn't know where to put then.