Questions

The phrase ‘has been thrusted’ is grammatically correct. This is because, when someone is forced to accept or deal with, this form of verb is used. Thus, the correct formation would be, ‘Heavy work has been thrust on me’.

To get into hot waters means to get into trouble. Example: The young boy got into hot water with his parents when he had a fight at school.

With certain words like, be senior to, be junior to, be superior to, be inferior to, etc. is always followed by ‘to’. Thus, the correct sentence would be, ‘I am senior to him by two years’.

‘Sitting on the fence’ is the correct idiom used. It is used to describe a person’s lack of decisiveness, neutrality or hesitance to choose between two sides in an argument or a competition, or inability to decide due to lack of courage. Thus, the sentence is grammatically and contextually correct. Thus, the correct formation would be, ‘Decide one way or the other; you can’t be sitting on the fence forever’.