An Honorary position is one held without financial reward. A Sinecure is a position requiring little or no work but giving salary. Mercenary means motivated by money. Voluntary means done of one's own accord, which is similar but 'Honorary' is the specific term for a post.

Anonymous means (of a work or letter) not identified by name. Ambiguous means open to more than one interpretation. Posthumous means occurring after the death of the originator. Manuscript means a document written by hand.

The phrasal verb "set to" means to begin to do something.

I am not going to get the top price for these books: I'll just have to settle ____ whatever I can get.
(a) for (b) on (c) upon (d) to

The phrasal verb "set out" means to present or explain something clearly in writing or speech.

She set ____ to do all the housework.
(a) on (b) for (c) to (d) with

The phrasal verb "remarked upon" means to comment on or notice something. "Remarked on" is also correct, but the answer key specifies "upon."

There is little point in remonstrate ____ Raza. He won't listen to reason.
(a) with (b) for (c) to (d) from

To be "relieved of" something means to be freed from a duty or burden.

The quality of his work has often been remarked ____ by his superiors.
(a) for (b) on (c) upon (d) onto

The verb "rejoice" is followed by the preposition "at," which means to express great happiness about something.

He was glad to be relieved ____ some of the detailed paperwork of the project.
(a) of (b) in (c) from (d) for

The verb "laboured" is followed by the preposition "over," which means to work hard at something.

It seemed that he was going to lash out ____ her but he controlled himself.
(a) at (b) in (c) on (d) to

The verb "integrate" is followed by the preposition "into," meaning to combine with something else to form a complete whole.

Nothing must be allowed to interfere ____ our search for the truth.
(a) with (b) into (c) from (d) upon

To "enquire after" someone means to ask about their health or well-being.

An attractive feature of the course was the way the practical work had been integrated ____ the theoretical aspects.
(a) with (b) in (c) into (d) to