[ Present Continuous Tense ]
Why _______ he _______ (run) so fast?
A. is, running
B. does, run
C. do, runs
D. is, runs

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Grammar, Literature, and VocabularyPresent and Past TenseConjunctions - ConnectorsDistinguishing Future TensesTransitionsArticles and PrepositionsArticles and Demonstratives-ing form and the to-infinitive1st and 2nd ConditionalsPassive Voice Present SimpleOther quiz:
Modals › ViewError Analysis
He had better to save some money each month; otherwise, he will face financial difficulties in the future.
A. had better
B. to
C. will
D. face
Comparative Adverbs › View
Melissa walked into the classroom (loudly, more loudly, loudlier) than Ben.
A. loudly
B. more loudly
C. loudlier
Present Perfect and Present Perfect Continuous › ViewI have known my best friend …… six years.
A. for
B. since
Grammar › View
…… to have stolen creit cards, he has been investigated for days.
A. Suspecting
B. Suspected
C. Having suspected
D. To be suspected
