Question

I shall not answer the doorbell
(supply if or unless) hear it.​

Answer 1

Answer:

I not understand your question what are you writing...

Answer 2

I shall not answer the doorbell unless I hear it.

I shall not answer the doorbell if I don't hear it.

• The given sentence is used in a negative sense. So, the second sentence will also carry a negative sense.
• We have to use the given words in such a way that the sentence is negative.
• Unless carries a negative sense in itself. We can directly use it.
• But if we want to use it we will have to use 'don't'.

#SPJ2