Correct the given sentence gramatically.

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

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

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

In the following question, out of the four alternatives, select the alternative which is the best substitute of the words/sentence.

Optimistic in an apparently difficult situation

In the following question, out of the four alternatives, select the alternative which is the best substitute of the words/sentence.

Protection of or authority over someone

In the following question, out of the four alternatives, select the alternative which will improve the bracketed part of the sentence. In case no improvement is needed, select "no improvement".

Those films (being) made now.

In the following question, out of the four alternatives, select the alternative which will improve the bracketed part of the sentence. In case no improvement is needed, select "no improvement".

Since when (have to start) a business been so easy?

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.

To not have a clue

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.

To have at one's fingertips