Jawaban:

Sure, here are the passive voice versions of the sentences you provided:

 1.  The show was held by the magician last week.

 2. The leaky faucet is going to be fixed by a plumber.

Penjelasan:

Here are the rules for changing active voice to passive voice:

•    Make the subject of the sentence the object of the sentence.
•    Add the word "by" before the subject of the sentence.
•    Change the verb to the past participle form.

Here are some examples of how to change active voice to passive voice:

Active voice: John is writing a book.

Passive voice: A book is being written by John.

Active voice: Mary is painting the house.

Passive voice: The house is being painted by Mary.

Active voice: The teacher is teaching the students.

Passive voice: The students are being taught by the teacher.

I hope this helps!