Choose the most appropriate option that converts the following sentence from Active to Passive Voice:

Observe the bar graph to estimate the next stock market crash.

Choose the most appropriate verb form to fill in the blank in the following sentence:

When the Principal entered the class, a student ______ on the blackboard.

Fill in the blanks given in List-I with the appropriate words given in List-II

Choose the correct answer from the options given below:

Change the underlined part of the '-ing clause' with 'adjective + to infinitive.'

Namita wasn't ashamed of committing the mistake.

Fill in the blank with the correct word from the options given below:-

The prisoner was acquitted ------ all charges.

If there is no error choose the appropriate option.

I never remember having met a more interesting man in my life.

Choose the option which is grammatically correct.