2. Reading through means reading carefully, emphasizing careful reading, while reading is just reading.
Yours is an adjective possessive pronoun, which means "your opinion", and yours means that you are just an adjective. Only in this way can possessive pronouns of adjectives be used at the end of this sentence, which is in line with grammatical norms and sentence meaning.
4.go over to sp means to get to a place over obstacles. It emphasized that an obstacle is like crossing a river and a mountain. . . And go to sp means to go somewhere without focus.
5, be here means a state, that is, the state of work, because there will be a period of time later, "going to work" is something that will happen in the near future.