Grammar Quiz
Topics: Present Perfect Continuous

The machines _____ working today.

A. don’t

B. aren’t

C. isn’t

D. not

Select your answer:
         


Random Topics:

Adjectives and ArticlesGrammar, adverbs of frequency placementPerfect Tenses and VocabularyVocabulary & Phrasal VerbPerfect ModalsModal and Phrasal VerbsSpeculation with Modal VerbsWh QuestionsPast Perfect or Past Perfect ContinuousMixed Tenses

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A. read

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___ your brother always wake up early on weekends?

A. Do

B. Does

C. Is

D. Are

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