нужно поставить в past simple или present perfect:
1)What Nick (wear) at the party? - I don't know. I (see, not) him then. 2) Look! Bob (draw)a very good picture. I like it. 3)John (fly)to Paris yesterday. 4) Jane is not in Moscow. She (fly) to St petersburg. 5)Mrs stubbs (grow) beautiful forget -me-nots in her garden last spring.