Question

For or since 1​ We've known each other ... 10 years. 2​ She has been in danger ... that meeting. 3​ They have been in this little settlement ... the last year. 4​ I have been up ... five o'clock this morning. 5​ You haven't seen Alec, a sailor ... Tuesday, have you? 6​ ... when have you known her? 7​ I have had this Teddy Bear ... решите пожалуйста не перевод

Answer 1

1, for
2, since
3, for
4, since
5, since
6, For
7, for

Answer 2

1. For - We've known each other for 10 years.
2. Since - She has been in danger since that meeting.
3. For - They have been in this little settlement for the last year.
4. Since - I have been up since five o'clock this morning.
5. Since - You haven't seen Alec, a sailor, since Tuesday, have you?
6. Since - Since when have you known her?
7. Since - I have had this Teddy Bear since... [the duration is missing in the provided sentence, but "since" is the appropriate word to indicate the starting point of possession].