[ 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

Random Topics:
Modals of AdviceGerunds, Infinitives and ParticiplesGender and GrammarPassivisationPassive of Modal VerbsPast Perfect and Past Perfect ContinuousVerb Tenses and UsageApostrophe GrammarTenses and ArticleGrammar Past and Future TenseOther quiz:
Vocabulary › Viewa plea in which the defendant does not admit guilt but also does not contest the charge, equivalent to pleading guilty
A. indictment
B. booking
C. arraignment
D. nolo contender
If Conditional Zero and One › View
Ask the teacher if you _____
A. doesn’t understand
B. don’t understand
C. will not understand
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