Once I am_________to carry out my plan, nothing can      .

Philosophical problems arise when people ask questions that, though very        , have certain characteristics in common.

Young people are not_________ to stand and look at works of art; they want art they can participate in.

Every man has his faults. We should, therefore, learn to be ________ of others. 

The research lacks  evidence, and therefore, its conclusions are doubtful.