[ Grammar ]
James used to be a careless driver. ______ he had a car accident did he know the importance of careful driving.
A. After
B. It was not until
C. Until
D. Not until

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Gerund after Prepositions and Certain VerbsModals of AdvisabilityGrammar for IELTSCan vs CouldConjunctions, Interjections and DeterminersPast Tense and Past ContinuousAuxiliary WordsReported Speech and Reporting VerbsContinuous TenseZero & First ConditionalOther quiz:
Afraid vs. Scared › ViewCan you accompany me to the disciplinary meeting? I’m … not.
(a) afraid
(b) scared
(c) afraid/scared
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I’m not going to play soccer tonight. I’m ________ tired.
A. too
B. too much
C. enough
D. too many
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A. show
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You……………be careful when you cross the street.
A. must
B. mustn’t