Which of the italicized parts indicates CONTRAST?

______ your timely advice, I would never have known how to go about the work.

Arriving at the bus stop, ______ waiting there.

A ship with a heavy load of timber is reported to have sunk ______ the coast of California.

______, he would not have recovered so quickly.

______ the two, Bob is ______ student.

This missile is designed so that once ______ nothing can be done to retrieve it.

We could ______ him with a detached house when he came, but he had specially asked for a small flat.

He is not under arrest, ______ any restriction on him.

______ I was very much mistaken, there was something wrong with Louise.

You＇d better look at the difficulty ______.