निम्नलिखित शब्दों में से locked in capital का सही पर्याय है ?

From the following select the appropriate word to replace number (50) in the above passage. 

Find the appropriate word.

Choose the most appropriate word for blank 109.

Choose the most appropriate word for blank 113.

Fill in blank 4 with the appropriate word from the options.

Fill in the blank with the most appropriate word.

Find the appropriate word.

Choose the most appropriate word to fill the blank (f)

Which of the following statements is/are correct according to the passage?

Find out the appropriate word in each case.