[ 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 › ViewWinters there ________ be really cold sometimes
A. May
B. Could
C. Might
D. Can
Tenses - Pasive Voice › View
Where are you going?
A. I am going see a friend.
B. I’ll see a friend.
C. I’ll to see a friend.
D. I am going to see a friend.
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
