[ Grammar ]
The Wright brothers __________ until they tried many times.
A. didn’t succeeded
B. hadn’t succeeded
C. has not succeeded
D. didn’t succeed

Random Topics:
Grammar - ConnectorsGrammar ModalsGrammar - Collective NounsModals in the Past - Speculation and DeductionWho am I?Modal Verbs of ObligationFuture Tenses, Conditionals and ProfessionsPresent Simple QuestionsPassive Voice - Past SimplePrepositional PhraseOther quiz:
Tenses › ViewAt last the bus came. We ____________ for half an hour.
A. waited
B. was waiting
C. have waited
D. had been waiting
Grammar Double Object Verbs › View
Which is not a double-object verb?
A. find
B. build
C. report
Pronoun Antecedent Agreement › ViewGraham moved here from New Zealand. __________ and his family have adjusted well.
A. Him
B. He
C. She
D. Them
Gerund vs. Infinitive › View
I am planning to complete all my homework on time.
A. Partciple
B. Gerund
C. Infinitive
