Question

use since or for as required in the following dialogue. A- _________ when have you waited for the doctor. B- i have waited for the doctor ________ 6 p.m. A- would you wait for him ______ two hours more ? B- No i have already waited long. i understand my friend has waited for me at home _________ 9 am. I would like to see him at once.​

Answer 1

Answer:

A-Since

B-since

B-since

Answer 2

Answer:

1.since

2.since

3.for

4.since