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Fill-in-the-blank

Fill-in-the-blank questions let the reader type their answer. Wrap the expected answer in double square brackets:

The capital of France is [[Paris]].

Answers are case-insensitive and surrounding whitespace is trimmed, so “Paris”, “ paris “ and “PARIS” all pass.

A question can have several blanks; every one must be correct:

Water is made of hydrogen and [[oxygen]], with the chemical formula [[H2O]].

Because there is no answer list to mark the boundary, a fill-in-the-blank quiz uses a horizontal rule (---) to separate the question from a content section that is revealed after submitting:

The chemical symbol for gold is [[Au]].


“Au” comes from the Latin aurum, meaning “shining dawn”.