[ Past Tenses ]
When I started playing the guitar, John ………. it for 10 years.
A. had already been playing
B. was already playing

Random Topics:
Word Form & Verb TenseSubject and Verbs AgreementSome & AnyFirst & Second ConditionalFirst Conditional, Future Time ClausesModals and VocabularyIrregular Plural NounsIN, ON & ATGrammar (either..or.. and neither..nor..)Phrasal Verbs and Verb FormsOther quiz:
Grammar › ViewDavis has an older sister named Mallory.
A. Simple
B. Compound
C. Complex
Grammar › View
If you are not sure, __________ a question.
A. ask
B. make
C. do
D. realize
General Quiz › ViewHe is _______ engineer.
A. a
B. an
Past Modals › View
I haven’t got my wallet. I ____ left it at home.
A. should have
B. must have
