Correct the given sentence gramatically.

Shreya, who she is my best friend, is a singer.

In the following question, a sentence has been given in Active/Passive voice. Out of the four alternatives suggested, select the one which best expresses the same sentence in Passive/Active voice.
The kids were laughing at the old lady.

The question below consists of a set of labelled sentences. Out of the four options given, select the most logical order of the sentences to form a coherent paragraph.
P- In that frame of mind, we have little sense of identity, safety or security.
Q- Courage is required to explore our secret life because we must first withdraw from the social mirror, where we are fed positive and negative feedback
continuously.
S- As we get used to this social feedback, it becomes a comfort zone.
R- And we may opt to avoid self examination and idle away our time in a vacuum of reverie and rationalization.

The question below consists of a set of labelled sentences. Out of the four options given, select the most logical order of the sentences to form a coherent paragraph.
P- To those who have known comfort, discomfort is a real torture.
Q- Comfort is now one of the causes of its own spread.
R- The more comfort is brought into the world, the more it is likely to be valued.
S- It has now become a physical habit, a fashion, an ideal to be pursued for its own sake.

In the following question, four words are given out of which one word is incorrectly spelt. Select the incorrectly spelt word.

In the following question, four words are given out of which one word is incorrectly spelt. Select the incorrectly spelt word.

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.
Just punishment for wrong doing

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.
One who is determined to take full revenge for wrongs done to him

Improve the bracketed part of the sentence.
He (promised to mend) his ways.