Answer:
Joseph chose not to practice his most important piece: his solo
Explanation:
The colon can be used to emphasize a phrase or single word at the end of a sentence.
It is a A. simple sentence, because there is only one main verb - opened.
A compound sentence has at least two independent clauses, a complex sentence has an independent clause and at least one dependent, a compound-complex clause sentence has two independent clauses and at least one dependent.
Answer:
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Explanation: