Verified answer

17

3 has been

4 for

5 since

6 has he lived

7 for

8 have been

18

3 I've just watched a comedy on TV.

4 I've fallen off my bike a few times.

5 I haven't been to London yet.

6 I've never eaten snails.

7 I've known my best friend since we were five years old.

8 I've been at home for two days.