Frank in toronto? a) did you meet b) have you met c) were you meetinghe had a break after he two hours.a) was walking b) had been walking c) has walkedi her for a long time.a) know b) have known c) have been knowing

a) Did you meet  Frank in Toronto?
He had a break after he b) had been walking for two hours.
I b) have known her for a long time.