They ______ (work) on the report for three hours by ... | GrammarQuiz.net

Topics: Future Tenses

They ______ (work) on the report for three hours by noon.

A. are working

B. will work

C. worked

D. had been working

Select your answer:

Random Topics:

Grammar for IELTS Suffixes and Tenses PRESENT SIMPLE - CHILDREN Conjunction Conjunctions & Interjections Tenses - Auxiliaries Second Conditional Intermediate Types of Sentences Prepositional Phrases

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