In the following questions, a sentence/ part of the sentence is printed in bold. Below are given alternatives to the bold sentence/part of the sentence which may improve the sentence. Choose the correct alternative. In case no improvement is needed, your answer is 'No Improvement'.
I can’t allow to make jokes in the class.
She is the lady who will inaugurate the exhibition.
A major water pollutant due to the growth of large cities is the sewages.
The warden told the boys to quickly clean their rooms.
I needn’t get up early tomorrow, shouldn’t I?