3 What kinds of crimes happen, if any?Are they serious or not?​

1.A: How long have you been studying English?
B: I started taking lessons when I was 8.
2.A: Have you ever been abroad?
B: Yes, went to Spain a few years ago.
3.A: Sandra We have been waiting for you for an hour.
B: Sorry got lost!
4.A: Has Dave been studying in Mexico all year?
B: Yes, He went there last January.
5.A: Ann got back from France yesterday.
B: I know She had a great time.
6.A: Have you finished your project yet, Mike?
B: No, I haven't been working on it all week, but I haven't finished it yet.