curry favor vs. carry favor

English Language Tests, Intermediate level

ESL/EFL Test #328 [color=blue]“English Slang Idioms (49)”, question 1

He was trying to curry with his boss by being the first one in the office every day.

(a) chicken
(b) load
(c) favor
(d) comb

English Language Tests, Intermediate level

ESL/EFL Test #328 [color=blue]“English Slang Idioms (49)”, answer 1

He was trying to curry favor with his boss by being the first one in the office every day.

Correct answer: (c) favor
[size=200]_________________________[/size]

I found this :He was trying to carry favour with sy…=try to gain sy’s flavour by flattery