[ Present Perfect or Past Simple ]
How long has __________ been a doctor at this hospital?
A. you
B. Judith
C. they
D. Karla and Mary

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Past Simple - Present PerfectEnglish MorphosyntaxDo / Have / Can - Basic QuestionsPast Progressive TenseSentence Structure and ConjunctionsAdverbs, Modals, Preposition of timeArticle & PrepositionTenses and StructuresSimple Present Continuous TenseGrammar (Adverbs, Prepositions, Prepositional Phrases)Other quiz:
Prepositions › ViewThey arrived ___ the airport just in time.
A. on
B. to
C. with
D. at
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iPhones is the ____ expensive of all phones.
A. most
B. more
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A. left
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D. had left
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People ____ cross the street at the green light.
A. have to
B. has to
C. must
