[ Vocabulary ]
Enriched uranium is a key _____ of a nuclear weapon.
A. discuss
B. counter-argument
C. characteristics
D. component

Random Topics:
Adverb Of Placeanother/the others/each other/one anotherConnectorsAdverbial ClausesElectricity VocabularyModals: Possibility, Necessity, ExpectationGrammar and VocabularyDemonstrative SpeechPerfect TensesSimple and Past TensesOther quiz:
Grammar › ViewI slept two hours on the train. I don’t know where I am. Excuse me, I am in Barcelona, _________
A. am I?
B. don’t I?
C. won’t I?
D. aren’t I
Sentence Types › View
While I enjoy classical music, I prefer rock and roll because I play the drums.
A. Simple
B. Compound
C. Complex
D. Compound-Complex
Modal Verb › ViewYou ________ play loud music at night. The neighbours will call the police.
A. mustn’t
B. needn’t
C. might not
D. couldn’t
Conditional Sentences › View
If I _____ her phone number, I _____ her last night
A. had known / could have phoned
B. knew / would have phoned
C. know / can phone
D. knew / could phone
