1.  She ______ for three hours — she looks tired.

2.  How long ______ here?

3.  I ______ her since we were at school. (verb: know)

4.  It ______ (rain) all day.

5.  We ______ (wait) for you for an hour!

6.  He looks exhausted. He ______ (work) since 7am.

7.  I have been know her for years.

8.  She has been work here since Monday.

9.  I am studying English for five years.

1.  has been studying

2.  have you been working

3.  have known

4.  has been raining

5.  have been waiting

6.  has been working

7.  I have known her for years.

8.  She has been working here since Monday.

9.  I have been studying English for five years.