[ Interrogative Pronoun ]
_____ Discovered the valuable hope diamond?
A. Who
B. Whom

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Grammar & VocabPresent Simple vs Present ContinuousVocabullary TestConditional Sentences Type I, IIFuture Simple TenseSentence Structure and Grammar RulesPassive SentenceAdverb of TimePronouns, Sentence Structure, and Figurative LanguageFirst & Second ConditionalOther quiz:
Grammar › ViewWhen I called my boss to tell him I would be late for work that day, he asked if there was ____________.
A. wrong anything
B. wrongly anything
C. anything wrong
D. anything wrongly
Verb Patterns › View
You can avoid ____ the highest prices for clothes if you shop in markets.
A. to pay
B. paying
C. pay
Grammar › ViewDo you know ____ those gloves are?
A. whose
B. which
C. what
D. when
Vocabulary › View
What’s the noun form of wide?
A. widen
B. waiden
C. width
