The television___________. It’s working again now. A, is being repaired B, has repaired C, is repairing D, has been repaired
The quality of the teachers will influence the students,and ________, the quality of the students will influence the teachers.
That was the last time I saw my father before he _____.
The experiment __ to be .
Many _______ of years later, the first extremely small plants began to appear on the surface of the water.
As a child, Franc _____.