[ FOR & SINCE ]
Tim and Tina have been learning English _______ six years.
A. since
B. for

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Present Perfect - Just, Already, YetTenses - Irregular VerbsPast or Present Verb TenseMaritime Vocabulary and GrammarPhrases & ClausesSimple Past - Irregular VerbsTenses and StructureModals and ResponsibilitiesTenses, Determiners & Subject Verb AgreementReported SpeechOther quiz:
Subject Verb Agreement › ViewNeither sheep nor horses _______ native to this continent.
A. was
B. is
C. were
D. be
Third Conditional › View
He __________ (be) happier if he __________ (stay) at home.
A. would have been – had stayed
B. would had been – has stayed