Select the most appropriate option to substitute the underlined segment in the given sentence. If no substitution is required, select No improvement.
The workers of this textile factory demand higher wages for a long time.

In each of the following questions, sentences are given with blanks to be filled in with an appropriate word (s). Four alternatives are suggested for each question. Choose the correct alternative out of the four and indicate your choice for the correct answer.

He was astonished ______ the sad news.

Direction: In the question a sentence has been given in Active/Passive Voice. Out of the four alternatives suggested, select the one which best expressed the same sentence in Passive/Active Voice and mark your answer in the Answer Sheet.

My teacher gave me a journal to read. 

Each sentence below has a blank and each blank indicates that something has been omitted. Choose the word that best fits in meaning of the sentence as a whole.
Jacob was a rich old man who lived____ alone in a huge house because his children did not care about him.

Direction: In the following question, out of the four alternatives, choose the one which can be substituted for the given sentence.

Unwelcome aspect of a situation 

Direction: In the question a sentence has been given in Active/Passive Voice. Out of the four alternatives suggested, select the one which best expressed the same sentence in Passive/Active Voice and mark your answer in the Answer Sheet.

Who broke the wall painting? 

Choose the correct Reported Form of the sentences from the options given below:

"Could you pass the sugar, please", she said.

Direction: In the question a sentence has been given in Active/Passive Voice. Out of the four alternatives suggested, select the one which best expressed the same sentence in Passive/Active Voice and mark your answer in the Answer Sheet.

He plants a mango tree.