It is ______ to improve the working conditions for the construction workers.

I put the medicine on the top of the desk to make sure it would not be _____ to my son.

All of us are amazed at this______ temple, which has existed more than one thousand years.

While there are quite a few differences in the education system, in many countries education is ____.

She doesn’t care about what others think; She’s  not at all ______ to other people’s feelings.