Collocations for wary - adj.

be, feel, look, seem
become, get, grow
remain
make sb
The strange look in his eyes made me wary of accepting his offer.

extremely, fairly, very, etc.
decidedly, deeply
increasingly
especially, particularly
a little, slightly, etc.
instinctively, naturally
suddenly
Paula frowned, suddenly wary.

about
Be wary about these so-called special offers.

of
You should be very wary of people offering cheap tickets.

keep a wary eye on sb/sth (often figurative)
The chip manufacturers are keeping a wary eye on the market.

Wary is used with these nouns:
expression, eye, look