Answer :
Answer:
a trial period in which a student can bring up his grades
Explanation:
pro·ba·tion·ar·y
/prōˈbāSHəˌnerē/
adjective
relating to a process of testing or observing the character or abilities of a person who is new to a role or job.
Answer:
a period in which a person's fitness for work is tested
Explanation:
this is always a period of time to determine the fitness of the applicants