Major Themes in “When You Are Old”: Love, rejection and time are the major themes of this poem. To express pure love, the poet invites her to have a glance at the time when she will be old and will not be surrounded by fake lovers. Therefore, she should understand his feelings toward her.
Answer:
Underneath
Explanation:
Preposition is a word (or several of them) that usually comes before a noun or a pronoun, its role is to show us the connection between a noun/pronoun and other parts of a sentence. In the given example, preposition "underneath" in the adverbial phrase "underneath the mattress" helps us to define a place of an object (secret envelope).
I think you should give more information that supports your answer. Eg
Texting while walking often leads to big and small accidents too. Etc etc
