Complete the sentences with the present
perfect simple or continuous form of the
verbs in brackets.

1) I ........... four of his books, but not
recently. (read)
2) We ............ for hours. How much longer
will it take? (climb)
3) His English is good. How long ...........
it? (learn)
4) I ............ Rome three times. I love it
there. (visit)
5) I'm tired because I ......... since
six a.m. (work)