[ Present Perfect ]
I __________ a teacher since 1998.
A. has been
B. hasn´t been
C. have been
Select your answer:
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Noun, Quantifiers and SuffixesPresent ContinuousAdverb of Frequency and TensesHope, Thank, Modal VerbsGrammar Like & Linking VerbFirst Conditional, Future Time ClausesNoun ClausesPerfect Verb TensesCountable QuantifiersOther quiz:
Modal Verbs › ViewI am sure that they are hungry now.
A. It’s possible that they are hungry now.
B. They must be hungry now.
C. They may be hungry now.
D. They can be hungry now.
Auxiliary Verbs › View
In most developed countries, people ______ need to boil water before they drink it.
A. don’t
B. does not
C. have not