______some people are motivated by a need for success, others are motivated by a fear of failure.
Because
If
Unless
While
It was when I got back to my apartment ______ I first came across my new neighbors.
who
where
which
that
I was watching the clock all through the meeting, as I had a train ______.
catching
caught
to catch
to be caught
My eldest son, _______ work takes him all over the world, is in New York at the moment.
whose
his
I ________down to London when I suddenly found that I was on the wrong road.
was driving
have driven
would drive
drove
-Michael was late for Mr. Smith's chemistry class this morning.
-________? As far as I know, he never came late to class.
So what
Why not
Who cares
How come