Fill in the blanks with "for" or "since"

----- Nội dung ảnh -----
Fill in the blanks with "for" or "since".

1. Ben: How long have you know John?
Alex: I've known him _______ we were at school.

2. Sue: How long have you worn contact lenses?
Emma: I've worn them _______ five years.

3. Jim: How long have you and Bob lived in France?
Tina: We've lived here _______ over ten years now.

4. Andy: I’m sorry, I’m late. How long have you been here?
Tom: I’ve been here _______ 5 o’clock.

5. Sarah: How long have you been in Asia?
Mary: I’ve been in Asia _______ seven years.

6. Joe: How long have you had that dress?
Angie: I’ve had it _______ Christmas.

7. Cherry: How long have you worked at this school?
Terry: I’ve worked at this school _______ 1983.

8. Helen: How long have you known Tom?
Nick: I’ve known him _______ five years.