HSK V6
Correct

补考

/ bǔkǎo / 
Strokes

Definition

to sit for a makeup exam/to resit an exam/makeup exam/resit

Example

As a Verb
take a make-up exam
1
Bǔkǎo
补考
fèi
费

repeat exam fee

2
Bǔkǎo
补考
lìshǐ
历史

take a make-up exam in history