Examlex
Where on Earth would an observer have to stand for the Sun to pass directly overhead (i.e., pass through zenith) at some time during the year?
You're
You're is a contraction for "you are."
Set
A collection of distinct objects, considered as an object in its own right in mathematics, or the scenery for a film or theater production.
Then
Used to indicate what happened or happens next in a sequence of events.
Who's
The contraction of "who is" or "who has."
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