[ Grammar ]
The kitchen is a complete mess! What ___ (the children/do)?
A. Have the children done
B. Has the children done
C. Have done the children
D. Has done the children

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Idioms › ViewIf it’s “safe and sound”, it’s ___.
a. not allowed
b. beautiful
c. not harmed
Grammar › View
To do something bad without being punished for it.
A. Get away with
B. Put up with
C. Come up with