[ Grammar ]
I have no idea ____ left the lights on all night.
A. Who
B. Whom
C. Whose

Random Topics:
How often - long - much - manyVerb + InfinitivePrepositions after Verbs and AdjectiveModal Verbs and Contrastive ConjunctionsPresent Simple & Present Continuous TensesPRESENT SIMPLE vs PRESENT CONTINUOUS + QUANTFuture Perfect TenseAdverbSentence CompletionGrammar speak,talk,say,tellOther quiz:
Vocabulary › ViewWhen Maya heard a loud noise in the middle of the night, she felt a sudden sense of “fright.” What does “fright” mean in this context?
A. A feeling of sudden fear
B. A type of food
Nouns And Verbs › View
Choose the verb from the sentence below.
The funny clown smiled at the circus crowd.
A. Funny clown
B. Crowd
C. Circus
D. Smiled
The school _____________ was damaged during the flood is still closed.
A. who
B. whom
C. which
D. that
Conditionals and Modals of Probability › View
Unless you ____ louder, your classmates won’t understand you.
A. didn’t speak
B. had spoken
C. don’t speak
D. speak