The question below has blanks indicating that something has been omitted. Choose the set of word(s) that best fits the meaning of the sentence as a whole.
The department had ______ a circular to all the other department heads requesting them to check if the file was ______ received by them.
sent, erroneously
As this sentence describes one action followed by the other, in the first blank ‘sent’ should be used, which should be followed by ‘erroneously’ after the phrase ‘to check if the file was’, the second blank.