Question

Each candidate ________ fill in these forms and sign them fill in the blank​

Answer 1

Answer:

must is the correct answer of your question

Answer 2

The answer is 'must.'

Each candidate must fill in these forms and sign them.

Modal Verbs

• Modal verbs refer to those verbs that help in defining the probability, possibility, and importance of action in a sentence.

• The verb 'must' is used to show obligations during some special purpose.

• In the given sentence, a particular purpose has been referred to regarding the candidates. Thus, 'must' is used.