The time he has devoted in the past ten years _____the disabled is now considered ____of great value. [ ]

Many buildings in the city need repairing, but the one ____ first is the library.

uld have helped us yesterday,but he_______________

as late for work this afternoon.— _____As far as Iknow, he is fairly punctual.

They____on the program for almost one month before l was arranged to help themNow, we____on it as no result has come out