It basically translates to "Be at your best behavior!" or "Be ready at attention" depending on the scenario.
Answer:
Marilla grows anxious.
Explanation:
Here in the story: "Thereupon Anne held her tongue so obediently and thoroughly that her continued silence made Marilla rather nervous, as if in the presence of something not exactly natural.", shows that Marilla grows nervous when Anne didn't talk.
Sorry I had to write it on my notes because it wouldn’t post
A simile is a figure of speech or a rhetorical device which refers to a comparison between two or more items using comparing words such as <em>like </em>or <em>as. </em>So, having this in mind, the correct answer "She's gone from sounding <u>like<em /></u><em /> the smoke detector." In this example, her sound is compared to that of a smoke detector.