[ 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:
Grammar and Passive Voice › ViewWhat is the passive voice form of “The dog bit the mailman”?
A. The mailman is bitten by the dog.
B. The mailman was bitten by the dog.
C. The dog bit the mailman.
D. The mailman has bitten the dog.
Grammar › View
After returning home from work, Marvin sat on the sofa to ____________ a rest.
A. taking
B. take
C. took
D. taken
Grammar › ViewThe 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
