III. Choose the correct variant
1. I George for over a month.
A didn’t see B haven’t been seeing C haven’t seen

2. John to Switzerland last year.
A has travelled B has been travelling C travelled

3. Sue since this morning.
A has been exercising B exercise C exercised

4. Have you tasted Indian food?
A yet B ever C never

5. It since last night.
A was raining B has been raining C rained

6. They Spanish for two years now.
A were learning B have been learning C have learned