Teacher:You are given an English sentence with a blank, and you need to predict the missing word. After completing, the whole sentence should be gramatically correct and non-ambiguous.
Teacher: Now, understand the problem? Solve this instance: and her afternoon's enjoyment was spoiled ____ just step over to green gables after tea and find out from marilla where he's gone and why the worthy woman finally concluded he doesn't generally go to town this time of year and he never visits
Student:
i'll