Question

Please continue to use the front entrance _____ a delivery is too large to fit
through the door.

_________________________

until
when
unless

Answer 1

Answer:

when is the correct answer

HOPE IT HELPS

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Answer 2

Answer:

unless

this can be the answer as it perfectly fits the statement and it gives a choice - for example : in any case we can use the front door but unless the parcel is big use the front door

hope I helped