Question

I'm sorry but your bill is long past __________.

Answer 1

I 'm sorry but your bill was long past.

Answer 2

Fill in the blank

I'm sorry but your bill is long past _its validity_________.

Explanation:

• The given sentence is a compound sentence.
• A compound sentence comprises two or more main clauses joined by linkers.  
• The given sentence comprises two main clauses- I'm sorry;  your bill is long past __________.
• The clauses are joined by the linker 'but'.
• The blank thus has to be related with the concluding clause.
• Since the subject in the second clause is 'bill' hence the possessive pronoun 'its' is used in the blank.
• The possessive pronoun is followed by an abstract noun.
• the word 'validity' defines the quality of the bill.
• Hence the sentence stands as : I'm sorry but your bill is long past _its validity___

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