The plot of "The Signalman" reaches a climax when signalman dies. As you know, the main characteristic of climax is that it is the most emotional part of a story that provides a lot of interest and suspense to a reader. The death of signalman is the highest point of emotional intensity of the plot as the loved protagonist unexpectedly (or undesirably) passes away and put an end to the story.
'That' is A, a demonstrative pronoun. Because you are referring to that person, you are basically pointing at your cousin, therefore it must be a demonstrative pronoun.
Answer:
what are you going to eat tomorrow?
what will you do after the game?
how will he do in the exam?
Intelligent is a synonym for smart so try using clever or devious. Both are synonyms for sly.
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Answer:
Its when you have good judgement