For sure.
"She was certain that the answer was 4"
"She knew for sure that the answer was 4"
espouse means to expose in french like oh i espoused you!
it introduces the subject of the paper to readers. But most importantly, it provides readers with a map to the overall paper. A good introduction captures readers' attention, tells them what the paper is about, and provides an outline of what is to come.
The answer is: figure out meaning based on what you already know and what the text says
To infer something from the passage, you need to read it and able to understand the meaning of the passage without actually put too much focus on the passage.
Passage inference could be considered as a reading skills. This usually tested when you do an SAT test to measure how much information you can gather from reading a certain text within a short period of time.