What does the term "Depreciation" refer to in

Rohan has been writing a letter since morning.

Choose the option that is the passive form of the sentence.

They found her guilty of theft.

Select the correctly punctuated sentence from the options below.

Select the correct active form of the given sentence.

Let this letter be posted at once.

Find out the appropriate words.

Select the correct Active Voice form of the given sentence.

Nupur was cautioned by her mother against making a hasty decision about changing jobs.

They claim to have seen the robber in several cities.

Stultify

Choose the best way to complete these passive voice sentence 

My bank loan _____ in five years time.