Поставить в правильной форме.

1.I never (see) this face.

2.I have often (see) his name in the papers this year.

3.She (study) English for a year and (learn) many new words.

4.I’m sorry, (wait) long? – No, I just (come) down.

5.I (be) here since 6 o’clock.

6.I (try) to get her on the phone for about 20 minutes.

7.I (know) it since yesterday.

8.I (translate) this article for about an hour and (translate) the first part.

9.They (advertise) for information since May but they never (receive) anything.

10.They (discuss) the problem for hours but (not come) to any decision yet.​