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:
Grammar › ViewThe pupils __________ gone to the library. They are still in their classroom.
A. haven’t
B. hasn’t
C. don’t
D. doesn’t
Subject Verb Agreement › View
Which of the following sentences demonstrates the correct subject-verb agreement with an intervening phrase?
A. The actor most admired by the students is on stage.
B. Of all my subjects, English is my favorite.
C. All of the above
D. The owner of the shop, together with his helpers, arranges the items for sale.
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