[ Modal Verb ]
I heard that you fell off your bike. You really _________ so fast on it.
A. may not do
B. shouldn’t do
C. mustn’t do
D. don’t have to
Select your answer:

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Sentence Structure and Pronoun AntecedentGrammar: Have toApologizingPassive Voice in Past and Present TenseVerb + PrepositionRelative Clauses and Past PerfectCausative VerbGrammar CorrectionConjunction and PunctuationPast Perfect and Past Perfect ContinuousOther quiz:
Vocabulary › Viewoffering reasonable grounds for being believed
A. credible
B. synthesize
C. analysis
D. support
E. rebuttal
Tenses › View
He ___ when the power went out.
A. had been reading
B. read
C. was reading
D. reads
