2 A present perfect or Past simple -key

1. a 2 I’ve been 3 did you go? 4 finished 5 I’ve already been 6 did you go? 7 went
b 2 taught 3 have just come back 4 have you been? 5 was 6 started 7 haven’t finished 8 have you been married 9 had 10 did you meet 11 went 12 have known 13 got 14 were you 15 I’ve just met.