Complete the sentences with SINCE or FOR
Exercise 1: Complete the sentences with SINCE or FOR.
1. There has been snow on the ground ______New Year's Day.
2. The weather has been cold______ a long time.
3. Maria has studied English ______ less than a year.
4. Mr. and Mrs. Roberts have been together______ they were in college.
5. They have known each other more than fifty years.
6. We haven't seen Aziz ______ last month.
7. I've had a cold______ over a week.
8. I haven't heard from my sister______ the beginning of March.