When a pencil is partly in a glass of water, it looks as if it _______.
True friendship is like sound health, ________ the value is seldom known until it is lost.
At the meeting they discussed three different ________ to the study of physics.
Our manager has gone to Paris, so I have to deal with all the letters during his ________.
To qualify yourself for this kind of new job, I recommend that you ________ some online courses.
I soon found that the work I was doing had already been done by someone else —________ I was wasting time.