[ Tenses ]
He has been selling motorcycles __________.
A. ten years ago
B. for ten years
C. for ten years ago
D. since ten years

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Tenses & PassiveElectricity VocabularyAdverbs, Infinitives, Definite ArticlePerfect and Past TenseSimple TensePhrasal Verb & Prepositional PhraseMixed Present TensesDistinguishing Future TensesTenses - Present and PastPresent Simple & ContinuesOther quiz:
Modal Auxiliary › View____ you please turn down the music?
A. Would
B. Can
C. Might
D. Must
Grammar › View
What is the proper noun in the sentence:
Charlie is playing baseball with his little sister.
A. sister
B. playing
C. baseball
D. Charlie
Michael Jordan is _____ than me.
A. more tall
B. taller
C. most tall
D. tallest
Grammar › View
Which sentence is incorrect in terms of using the present continuous?
A. They are working on a new project right now.
B. He plays football every Sunday.
C. We are studying a lot for our exams right now.
D. She is writing a letter to h
