

16. My uncle …………………. (paint) the outside of his house for three weeks and he’s still not finished.
17. The Smiths are presently in Tunisia. They ………………. (travel) throughout North Africa since the middle of May. They’ll return home in another month.
17. The Smiths are presently in Tunisia. They ………………. (travel) throughout North Africa since the middle of May. They’ll return home in another month.