To make the students understand the problem the teacher tried to explain it, but the explanation just did not _________to the class．

—What are you reading，Tom?—I'm not really reading，just ______ the pages.

I ________ be quite bored with the job, but now I have________ to it.

I’m afraid that it is you, ________ Bernard, _______ to blame.

 we must ___ to the public the simple fact that drug are dangerous.