Mr. Smith went to a bookstore, where a lot of books were        .

He called at every door, urging that people ________his products.

I told your friends how to get to the hotel, but perhaps I ____have driven her there.

.We admire her ______ her bravery.

 Richard was called in by the police to answer questions _______ the disappearance of Thomas Ripley, whose relatives were so ______ his present situation.