2. It is a _
to turn off the microphone when someone is presenting in an online class.
A.must
B. can
C. may
D. shall
please answer
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2. It is a _
to turn off the microphone when someone is presenting in an online class.
A.must
B. can
C. may
D. shall
please answer
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Answer:
A. Must
Explanation:
Because that is the correct word
Answer✏️