Which of the following words is the closest in meaning to 'apt'?

Select the most appropriate synonym of the underlined word in the given sentence.
The sporadic instructions of the invigilators distracted the examinee.

Find the same words of the following:
Attaining

Select the synonym of

parlance

Find the same words of the following:
See

Select the most appropriate sentence with respect to grammar and usage.

Select the synonym of

to ordain

Select the most appropriate synonym of the given word

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