Select your answer:
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SimilesGerunds and TensesComparatives or SuperlativesSimple Present Tense with Adverb of FrequencyProgressive TensePresent / Future / Present Progressive / non Action VerbsGrammar and Verb TensesVerb-ing and InfinitiveClause Markers TOEFL GrammarModal Verbs of Certainty and PossibilityOther quiz:
Tenses › ViewAll the students ________ the class work when the teacher came in.
A. are doing
B. were doing
C. will be doing
D. have done
Gerund vs Infinitive › View
Sam had to stop ________ football because he had injured his knee earlier.
A. to play
B. playing