His sister (work) ..has worked ..... for this company since 1995

40. His sister (work) ..has worked. .for this company since 1995
41. They (build) have built
42. I (not be)
43. Up to now he (win)...has...won.... the prize
44. It's the second time he (visit)_has visited
45. I (not live)...haven't lived here since he (be)_has been
46. This is the nicest restaurant I(ever see). .have ever .seen...
47. The doctor (be)...has been.. . here since 8 o'clock.
48. It (rain) ...has rained... yesterday after it (be)
49. We (already choose)...have already chosen.. . the new person for the job
50. Have You (pay) ...paid....
those building recently.
successful so far
haven't been
the USA
a child
has been
dry for many months
..the taxi-driver yet?
........