75% of the students ______that the number of private cars _______ increasing rapidly.
As we came to the work site, the workers were seen _______the new house.
. The reason for all the changes being made _______to us yet.
24. You ought to have put the milk in the refrigerator, and now ________sour.
Tim ________since he lost his job three weeks ago.
– “Have you moved into the new flat?” “Not yet. The room ________.” has been painted B. is painted C. paints D. is being painted