Expository writing has to do with some explanations - usually, this writing refers to giving instructions and directions as to how to do something. With this in mind, I'd say the correct answers are directions, recipe, and instruction sheet.
Answer:
A. crops withered, curled up, then died under the thirsty sun
C. snapping their roots and tearing them out of the earth
D. a voice that seemed to rumble out of the earth itself
Explanation:
Pronouns are used in place of a certain noun to make the sentence clearer and to avoid unnecessary repetitions of a certain noun. The appropriate pronoun that shoud be used in the sentence is, "us". The sentence should be, "Beatrice can expect us to help her move". Us is used because there are three people involved and it is considered as plural.