I think watching TV every evening is a waste of time—there are ____ meaningful things to do.

Thanks to the good care of the nurses ,the boy is ______ recovering from his lung operation .

It is ________ that I can still remember ______ was discussed at the meeting.

Interest is as ________ to learning as the ability to understand, even more so.

The increase of the number of the students makes the limited computers not ______ to each student．