The writing was not _____, so we could not read it at all.

Mr Brown is a(n) _____ secretary in our office, for he is able to do tasks successfully, without wasting time and energy.

We regret to inform you that there are no tickets ______ for Friday's performance.

Not all parts of the interior (腹地) of Australia are easily _____, because it is very hot and not many people live there. 

He is a ________ man—he always says what he thinks.