Present perfect or past simple: 1)two days ago my father (repair) the car. 2) last year my father (work) at hospital. 3) yesterday i (go) to school. 4) last week i ( play) tennis 5)yesterday my sister also(go) to school/ 6) last month she (dance) in the club. 7) two days ago my mother (prepare) tasty dishes. 8)yesterday i (help) my mother 9) my friends (swim) in the river last summer 10) yesterday my grandparents (watch) tv.