Answer:
our vacation." The noun "vacation" goes in b).
Explanation:
The branch of c) is for the prepositional phrase "on our schedule" with the noun "schedule" going in the c) slot.The part of the diagram that is connected with a dotted line is for the clause "which always seems busy." The word "which" is a pronoun and is the subject of the clause; therefore, "which" goes in the d) slot. The adverb "always" modifies the verb of the sentence and angles down from the verb slot; therefore, "always" is the answer for e).
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