Sentence Improvement Questions

Improve the bracketed part of the sentence.
"I am the only man in the world who (can) paint a picture so true to life," he said.

Improve the bracketed part of the sentence.
All the allegations levelled (over) the poor watchman were found to be baseless.

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".
We (are struggling) to measure our success in life with some numbers.

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".
She flew in and snatched the fire stick, and before he realised what (have happened), she was up in her tree once again.

Choose an appropriate word that can substitute the bracketed word and complete the sentence meaningfully.
Shelley was very happy (while) I accepted her invitation to her birthday party.

Select the most appropriate option that can substitute the underlined segment in the given sentence.
The common masses have waited for three hours to meet the king in the royal court.

Select the option that will improve the underlined part of the given sentence.
She's under the allusion that she'll get the job.

Read the given sentence carefully. Change the meaning of the sentence by replacing the underlined word with its ANTONYM from the following options.
His father warned him not to use vulgar language at home.