—Tom has been fired by his boss.
—________？As far as I know，he is a hardworking and considerate fellow.
A．Why not B．How come
C．What then D．So what
Annoyed by the salesman's bad manner，John chose ________of the two computers on sale and left.
A．all B．either
C．neither D．none
Time is of no importance to great thoughts，________ are as fresh today as when they first passed through thinkers' minds ages ago.
A．what B．that C．which D．where
Now there is just one point ________ I wish you to make quite clear.
A．where B．which C．whether D．when
It's helpful to put children in a situation ________ they can see themselves differently.
A．that B．when C．which D．where
—What do you think of teaching，Bob?
—I find it fun and challenging.It is a job ________ you are doing something serious but interesting.
A．where B．which C．when D．that
