[ Relative Pronoun ]
Marie Curie, … husband worked as a laboratory instructor, was a pioneer in the field of radiology.
- whose
- who
- whom

Random Topics:
Adverbial ClausesDefinite ArticlesSimple Past Tense (was/were)Pronunciation and VocabularyCoordinating and Subordinating ConjunctionsEssential and Nonessential ClausesGrammar : Structural Common ErrorsSimple Tenses in EnglishHow many / How much - Is there / Are thereThe Simple Present TenseOther quiz:
Homophones › ViewI______something was wrong when I saw his face.
A. knew
B. new
Modal Perfect › View
Do we ______________to? I think I’ve seen enough already.
A. should
B. have
C. may
D. must
Modals › ViewImagine, Daniel, Ethan, and Aiden are playing a game of ‘Message Relay’. Daniel needs to write a message and pass it on. He says, ‘I ____ write this letter right now.’
A. can
B. could
C. will be able to
Grammar › View
My sister said that she ___________ and ___________ me at 2 pm.
A. would come/ help
B. come/ help
C. had come/ would help
D. would come/ helped